1,2

Numbers missing from A230099.

Table of n, a(n) for n=1..74.

Index entries for Colombian or self numbers and related sequences

Cf. A230099, A230103, A230105.

Sequence in context: A158333 A293167 A062505 * A093031 A305468 A143452

Adjacent sequences: A230101 A230102 A230103 * A230105 A230106 A230107

nonn,base

N. J. A. Sloane, Oct 13 2013

approved