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1, 3, 11, 55, 375, 3731, 47743, 777771, 14770535, 331611235, 9205305591, 285781156343, 10308779559631, 418386835375575, 18097509979840775, 846748292083023991, 44182142790019823943, 2570069981187508600331, 157428743473326543397855, 10449715795107936675445215, 739751959772798881608189731
(list; graph; refs; listen; history; internal format)
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OFFSET
| 0,2
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FORMULA
| Binomial transform of A002110.
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EXAMPLE
| a(3) = 55 = (1, 3, 3, 1) dot (1, 2, 6, 30) = (1 + 6 + 18 + 30); where A002110 = (1, 2, 6, 30, 210, 2310,...).
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CROSSREFS
| Cf. A002110.
Sequence in context: A125696 A001776 A180875 * A174627 A007841 A036760
Adjacent sequences: A136101 A136102 A136103 * A136105 A136106 A136107
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KEYWORD
| nonn
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AUTHOR
| Gary W. Adamson (qntmpkt(AT)yahoo.com), Dec 14 2007
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EXTENSIONS
| A few more terms from L. Edson Jeffery, April 11, 2011.
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