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A125785
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Column 5 of table A125781.
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5
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1, 6, 29, 141, 739, 4276, 27483, 195978, 1544074, 13371684, 126591212, 1303252476, 14517950305, 174196495882, 2241822436160, 30826098464147, 451299846525541, 7012090426122158, 115289977296253757, 2000463474160276658
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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COMMENTS
| A091352 equals column 1 of both table A125781 and triangle A091351.
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FORMULA
| a(n) = A091352(n+2) - 2*A091352(n+1). a(n) = A125782(n+1) - A125783(n+1).
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EXAMPLE
| A091352 begins: [1, 2, 4, 9, 24, 77, 295, 1329, 6934, 41351, ...];
a(5) = A091352(8) - 2*A091352(7) = 6934 - 2*1329 = 4276.
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CROSSREFS
| Cf. A125781; other columns: A091352, A125782, A125783, A125784, A125786.
Sequence in context: A030221 A009153 A012325 * A186651 A108982 A059724
Adjacent sequences: A125782 A125783 A125784 * A125786 A125787 A125788
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KEYWORD
| nonn
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AUTHOR
| Paul D. Hanna (pauldhanna(AT)juno.com), Dec 09 2006
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