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

Author

Leonid Broukhis

Keywords

• nonn
• base

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

Programs

Mathematica

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

PARI

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

Extensions

More terms from Neven Juric, Apr 11 2008