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A124682 a(n) = A002861(n) + A000081(n). 1
2, 3, 6, 13, 29, 71, 173, 444, 1148, 3030, 8059, 21715, 58836, 160687, 441083, 1217134, 3372386, 9380948, 26180962, 73292358, 205731862, 578922864, 1632707684, 4614098810, 13064064882, 37052720050, 105257568244, 299452309023, 853094139960, 2433439189419 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

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

CROSSREFS

See A126285.

Sequence in context: A238426 A032066 A107316 * A079512 A280746 A174191

Adjacent sequences:  A124679 A124680 A124681 * A124683 A124684 A124685

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Dec 26 2006

STATUS

approved

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Last modified July 17 21:36 EDT 2019. Contains 325109 sequences. (Running on oeis4.)