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A016059 (s(n)+s(n+1))/6, where s()=A006521. 0
2, 6, 18, 42, 69, 126, 207, 378, 621, 906, 1311, 1863, 2718, 3825, 4509, 5589, 8154, 11475, 13527, 16767, 20130, 24909, 30894, 36078, 40581, 50301, 60390, 72675, 85671, 92682, 107910, 118503, 121743, 150903 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

LINKS

Table of n, a(n) for n=2..35.

CROSSREFS

Sequence in context: A339149 A101695 A014741 * A291519 A027556 A195584

Adjacent sequences:  A016056 A016057 A016058 * A016060 A016061 A016062

KEYWORD

nonn

AUTHOR

Robert G. Wilson v

STATUS

approved

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Last modified May 11 16:48 EDT 2021. Contains 343805 sequences. (Running on oeis4.)