A227881 Sum of digits of 17^n.

1, 8, 19, 17, 19, 35, 37, 35, 55, 71, 55, 62, 64, 80, 91, 80, 109, 98, 91, 98, 82, 116, 136, 143, 109, 152, 163, 152, 145, 152, 172, 170, 172, 170, 208, 215, 199, 197, 226, 233, 217, 206, 271, 224, 244, 242, 253, 287, 244, 305, 271, 269, 298, 305, 325, 314

Offset

0,2

Links

Irene Sermon, Table of n, a(n) for n = 0..10000

Formula

a(n) = A007953(A001026(n)).

Example

For n = 8, 17^8 = 6975757441 and the digit sum is 55.

Mathematica

Table[Total[IntegerDigits[17^n]], {n, 0, 100}] (* T. D. Noe, Oct 28 2013 *)

Crossrefs

Cf. A001026, A227871.

Sequence in context: A294588 A259169 A293983 * A294581 A290185 A274397

Adjacent sequences: A227878 A227879 A227880 * A227882 A227883 A227884

Keyword

nonn,base,less

Author

Irene Sermon, Oct 25 2013

Status

approved