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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
OFFSET
2,1
CROSSREFS
Sequence in context: A376739 A364672 A014741 * A291519 A027556 A195584
KEYWORD
nonn
STATUS
approved