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A117565 Numbers n such that n is 7*(the sum of decimal digits squared of n). 1
0, 133, 917, 973 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..4.

MATHEMATICA

Do[If[n==7Total[IntegerDigits[n]^2], Print[n]], {n, 0, 2000, 7}]

CROSSREFS

Sequence in context: A249108 A020237 A217690 * A357489 A274175 A038491

Adjacent sequences: A117562 A117563 A117564 * A117566 A117567 A117568

KEYWORD

base,fini,full,nonn

AUTHOR

Zak Seidov, Apr 27 2006

STATUS

approved

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Last modified December 9 11:21 EST 2022. Contains 358700 sequences. (Running on oeis4.)