A010066 a(n+1) = a(n) + sum of digits in base 5 representation of a(n).

1, 2, 4, 8, 12, 16, 20, 24, 32, 36, 40, 44, 52, 56, 60, 64, 72, 80, 84, 92, 100, 104, 112, 120, 128, 132, 136, 140, 144, 152, 156, 160, 164, 172, 180, 184, 192, 200, 204, 212, 220, 228, 236, 244, 256, 260, 264, 272, 280, 284, 292, 300, 304, 312

Offset

0,2

References

S. R. Finch, Mathematical Constants, Cambridge, 2003, Section 2.24.

Links

Harvey P. Dale, Table of n, a(n) for n = 0..1000

Index entries for Colombian or self numbers and related sequences

Mathematica

NestList[# + Total[IntegerDigits[#, 5]] &, 1, 60] (* Harvey P. Dale, Oct 12 2016 *)

Prog

(PARI) a = 1; print1(a, ", "); for(i = 1, 40, a = a + sumdigits(a, 5); print1(a, ", ")); \\ Nile Nepenthe Wynar, Feb 10 2018

Crossrefs

Sequence in context: A360013 A335738 A364056 * A180490 A376616 A160408

Adjacent sequences: A010063 A010064 A010065 * A010067 A010068 A010069

Keyword

nonn,base

Author

Leonid Broukhis

Extensions

More terms from Neven Juric, Apr 11 2008

Status

approved