A230642 Number of integers m such that m + (sum of digits in base-3 representation of m) = n.

1, 0, 1, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 3, 0, 2, 0, 3, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 3, 0, 2, 0, 3, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 3, 0, 3, 0, 2, 0, 2, 0, 2, 0, 2, 0, 2, 0, 1, 0, 2, 0, 2

Offset: 0

Author

N. J. A. Sloane, Oct 31 2013

Keywords

• nonn
• base

Comments

The usual convention in the OEIS is to omit the zero terms when every second term is zero. An exception was made in this case in order to preserve the parallels with A228085 and A230632. See also A230663.

a(n) is the number of times n occurs in A230641.

Links

• Donovan Johnson, Table of n, a(n) for n = 0..10000
• Index entries for Colombian or self numbers and related sequences

Crossrefs

Cf. A230632, A228085, A230643, A230641.

Related base-3 sequences: A053735, A134451, A230641, A230642, A230643, A230853, A230854, A230855, A230856, A230639, A230640, A010063 (trajectory of 1)