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A227881
Sum of digits of 17^n.
1
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
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
Sequence in context: A294588 A259169 A293983 * A294581 A290185 A374671
KEYWORD
nonn,base,less
AUTHOR
Irene Sermon, Oct 25 2013
STATUS
approved