A129971 a(n) = A129968(n)^2.

1, 4, 9, 1, 4, 9, 16, 4, 9, 16, 9, 16, 1, 4, 9, 16, 4, 9, 16, 25, 9, 16, 25, 16, 4, 9, 16, 9, 16, 25, 16, 25, 9, 16, 16, 25, 1, 4, 9, 16, 4, 9, 16, 25, 9, 16, 25, 16, 25, 4, 9, 16, 25, 9, 16, 25, 36, 16, 25, 36, 25, 9, 16, 25, 16, 25, 36, 25, 16, 25, 4, 9, 16, 9, 16, 25, 16, 25, 36, 9, 16, 25

Offset

1,2

Comments

Also a(n) = sum of digits of A129967(n)^2.

Links

T. D. Noe, Table of n, a(n) for n=1..5000

Crossrefs

Sequence in context: A276190 A011290 A196502 * A007892 A010297 A001191

Adjacent sequences: A129968 A129969 A129970 * A129972 A129973 A129974

Keyword

nonn,base

Author

N. J. A. Sloane, Jun 13 2007, Oct 07 2007

Status

approved