A171923 Records in A031883 (values).

2, 4, 6, 12, 18, 24, 30, 52, 64, 66, 68, 100, 108, 112, 144, 158, 160, 162, 182, 194, 218, 226, 228, 230, 244, 264, 266, 288, 290, 312

Offset

1,1

Links

Table of n, a(n) for n=1..30.

Formula

a(n) = A031883(A171924(n)) . [From R. J. Mathar, Oct 24 2010]

Crossrefs

Cf. A000959, A031883, A171924.

Sequence in context: A349179 A175305 A342702 * A060735 A181416 A225566

Adjacent sequences: A171920 A171921 A171922 * A171924 A171925 A171926

Keyword

nonn

Author

R. J. Mathar, Oct 23 2010

Extensions

a(16)-a(30) from Donovan Johnson, Oct 24 2010

Status

approved