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A171923 Records in A031883 (values). 1
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 (list; graph; refs; listen; history; text; internal format)
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: A167706 A072121 A175305 * 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

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Last modified June 25 22:14 EDT 2019. Contains 324357 sequences. (Running on oeis4.)