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A110892 Sum of the squares of digits of n^2. 0
1, 16, 81, 37, 29, 45, 97, 52, 65, 1, 6, 33, 118, 118, 33, 65, 149, 29, 46, 16, 33, 96, 110, 110, 65, 121, 134, 129, 81, 81, 118, 21, 146, 63, 34, 122, 127, 49, 31, 37, 102, 102, 162, 127, 33, 42, 89, 29, 21, 29, 41, 69, 149, 122, 38, 55, 110, 70, 90, 45, 63, 105, 207, 133 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..64.

FORMULA

a(n) = A003132(A000290(n)). - Michel Marcus, Jun 04 2013

EXAMPLE

If n=187: 187^2=34969; 3^2+4^2+9^2+6^2+9^2=223

PROG

(PARI) a(n)=norml2(eval(Vec(Str(n^2)))) \\ Michel Marcus, Jun 04 2013

CROSSREFS

Sequence in context: A056553 A053167 A187363 * A202880 A088040 A065771

Adjacent sequences:  A110889 A110890 A110891 * A110893 A110894 A110895

KEYWORD

easy,nonn,base

AUTHOR

Paolo P. Lava, Sep 20 2005

STATUS

approved

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Last modified November 17 01:05 EST 2019. Contains 329209 sequences. (Running on oeis4.)