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Search: id:A084068
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A084068 a(1) = 1, a(2) = 2, a(2n) = 2*a(2n-1)-a(2n-2); a(2n+1) = 4*a(2n)-a(2n-1). +0
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1, 2, 7, 12, 41, 70, 239, 408, 1393, 2378, 8119, 13860, 47321, 80782, 275807, 470832, 1607521, 2744210, 9369319, 15994428, 54608393, 93222358, 318281039, 543339720, 1855077841, 3166815962, 10812186007, 18457556052, 63018038201, 107578520350 (list; graph; listen)
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Last modified December 17 23:40 EST 2009. Contains 171025 sequences.


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