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Search: id:A134757
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| 1, 3, 11, 37, 123, 401, 1293, 4131, 13107, 41353, 129873, 406319, 1267093, 3940431, 12224579, 37845117, 116944371, 360771417, 1111332129, 3418840431, 10504903809, 32242682787
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OFFSET
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1,2
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COMMENT
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Also A007318^(-1) * A037965. [Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 10 2007]
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FORMULA
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Binomial transform of A100071 starting [1, 2, 6, 12, 30,...].
Inverse binomial transform of A037965 starting [1, 4, 18, 80, 350,...].
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EXAMPLE
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a(3) = 11 = (1, 2, 1) dot (1, 2, 6) = (1 + 4 + 6), where A100071 = (1, 2, 6, 12, 30,...).
a(3) = 11 = (1, -2, 1) dot (1, 4, 18) = (1 - 8 + 18). [Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 10 2007]
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CROSSREFS
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Cf. A100071, A037965, A107965.
Sequence in context: A084171 A118044 A027062 this_sequence A094977 A027064 A027066
Adjacent sequences: A134754 A134755 A134756 this_sequence A134758 A134759 A134760
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KEYWORD
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nonn
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AUTHOR
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Gary W. Adamson (qntmpkt(AT)yahoo.com), Nov 08 2007
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