A276951 - OEIS

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A276951

Index of column where n is located in array A276953 (equally: row in A276955).

7

0, 1, 1, 2, 3, 4, 1, 5, 2, 6, 7, 8, 3, 9, 4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 1, 19, 5, 20, 21, 22, 2, 23, 6, 24, 25, 26, 7, 27, 8, 28, 29, 30, 31, 32, 33, 34, 35, 36, 3, 37, 9, 38, 39, 40, 4, 41, 10, 42, 43, 44, 11, 45, 12, 46, 47, 48, 49, 50, 51, 52, 53, 54, 13, 55, 14, 56, 57, 58, 15, 59, 16, 60, 61, 62, 17, 63, 18, 64

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OFFSET

0,4

COMMENTS

a(0) = 0 by convention, because 0 is not present in arrays A276953 and A276955.

LINKS

Antti Karttunen, Table of n, a(n) for n = 0..5040

Index entries for sequences related to factorial base representation

FORMULA

a(0) = 0; for n >= 1, if A260736(n) > 0 [when A276950(n) is not zero, when n is in A273670], then a(n) = A276952(n) = 1 + A273663(n), otherwise a(n) = a(A266193(n)).

Other identities. For all n >= 0:

a(n) = A257681(A275847(n)).

PROG

(Scheme) (definec (A276951 n) (cond ((zero? n) n) ((not (zero? (A276950 n))) (A276952 n)) (else (A276951 (A266193 n)))))

CROSSREFS

Cf. A260736, A266193, A273670, A276950, A276952, A273663.

Cf. arrays A276953 & A276955. A276949 gives their other index.

Cf. also A257681, A275847.

Sequence in context: A023133 A026280 A115994 * A071437 A243713 A332266

Adjacent sequences: A276948 A276949 A276950 * A276952 A276953 A276954

KEYWORD

nonn,base

AUTHOR

Antti Karttunen, Sep 22 2016

STATUS

approved