A270340 - OEIS

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A270340

Numbers that equal the sum of the squares of the digits of their own square in base 13.

0, 1, 74, 130, 180, 192, 210

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

OFFSET

1,3

COMMENTS

in other bases:

base 2:0, 1

base 3:0, 1, 2, 7

base 4:0, 1, 13

base 5:0, 1, 6

base 6:0, 1

base 7:0, 1

base 8:0, 1, 4, 16, 51

base 9:0, 1, 33

base 10:0, 1

base 11:0, 1, 94

base 12:0, 1, 5, 183

LINKS

Table of n, a(n) for n=1..7.

MATHEMATICA

Select[Range[0, 1000], # == Total[IntegerDigits[#^2, 13]^2] &] (* Michael De Vlieger, Mar 15 2016 *)

CROSSREFS

Cf. A270295, A270304, A270341.

Sequence in context: A045283 A118221 A333100 * A300379 A300681 A309143

Adjacent sequences: A270337 A270338 A270339 * A270341 A270342 A270343

KEYWORD

nonn,fini,base

AUTHOR

Daniel Mondot, Mar 15 2016

STATUS

approved