1,3

a(n) is the smallest x with n in the digit summing sequence starting with x.

Contains only self-numbers, see A003052.

Sean A. Irvine, Table of n, a(n) for n = 1..10000

Sean A. Irvine, Java program (github)

Cf. A004207, A016052, A007618, A006507, A016052.

Sequence in context: A099551 A211206 A330717 * A145799 A331804 A244568

Adjacent sequences: A036230 A036231 A036232 * A036234 A036235 A036236

easy,nonn,base

Miklos SZABO (mike(AT)ludens.elte.hu)

approved