A227871 - OEIS

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A227871

Sum of digits of 14^n.

1, 5, 16, 17, 22, 29, 37, 23, 52, 44, 67, 65, 73, 68, 52, 80, 85, 83, 100, 122, 106, 116, 130, 137, 118, 140, 124, 152, 166, 173, 136, 158, 178, 179, 202, 128, 199, 176, 187, 206, 220, 227, 244, 230, 232, 224, 256, 272, 253, 275, 268, 278, 301, 272, 298, 257

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

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

FORMULA

a(n) = A007953(A001023(n)).

EXAMPLE

For n=9, 14^9=20661046784 and the sum of the digits is 44.

MATHEMATICA

Total[IntegerDigits[#]]&/@(14^Range[0, 60]) (* Harvey P. Dale, Jul 18 2019 *)

CROSSREFS