The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 (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(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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified October 1 08:39 EDT 2020. Contains 337442 sequences. (Running on oeis4.)