A080150 - OEIS

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A080150

Let m = Wonderful Demlo number A002477(n); a(n) = square of the sum of digits of m.

1, 16, 81, 256, 625, 1296, 2401, 4096, 6561, 6724, 7225, 8100, 9409, 11236, 13689, 16900, 21025, 26244, 26569, 27556, 29241, 31684, 34969, 39204, 44521, 51076, 59049, 59536, 61009, 63504, 67081, 71824, 77841, 85264, 94249, 104976, 105625

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

These numbers are themselves squares, their square roots being in A080151.

LINKS

Table of n, a(n) for n=1..37.

Eric Weisstein's World of Mathematics, Demlo Number

FORMULA

a(n) = (A080151(n))^2.

CROSSREFS

Cf. A080151, A002477.

Sequence in context: A257854 A017672 A055013 * A000583 A050751 A014188

Adjacent sequences: A080147 A080148 A080149 * A080151 A080152 A080153

KEYWORD

nonn,base,easy

AUTHOR

Eric W. Weisstein, Jan 31 2003

EXTENSIONS

Name corrected by Robert Israel, Aug 06 2019

STATUS

approved