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A024962
a(n) = s(n+3)/3, where s is A024961.
0
2, 4, 11, 28, 68, 169, 470, 1276, 3395, 9016, 26240, 74017, 204590, 568120, 1659350, 4770820, 13538480, 38435515, 113673998, 331360936, 955040204, 2757123412, 8185543376, 24071728150, 70215321944, 204746123776, 612178795262, 1813222985320
OFFSET
1,1
CROSSREFS
Sequence in context: A100094 A099525 A024742 * A202085 A122423 A099016
KEYWORD
nonn
STATUS
approved