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A024950
a(n) = s(n+3)/4, where s is A024949.
0
1, 1, 5, 9, 13, 33, 73, 145, 313, 657, 1693, 3705, 8101, 18753, 45777, 105857, 238481, 556257, 1358901, 3192585, 7386269, 17475041, 42632153, 101388497, 238670857, 566984561, 1396385741, 3345556153, 7948311797, 19091588993, 46987486625
OFFSET
1,3
CROSSREFS
Sequence in context: A233973 A089977 A024728 * A180514 A118837 A117828
KEYWORD
nonn
STATUS
approved