A222561 (Denominators of Cauchy numbers of the second kind hat c_{2n})/6.

1, 5, 14, 15, 22, 910, 60, 255, 1330, 2310, 276, 13650, 36, 580, 19096, 19635, 210, 639730, 5460, 94710, 39732, 144900, 39480, 1624350, 87516, 104940, 58520, 33060, 7080, 227146920, 144144, 182325, 5501370, 10350, 28116, 7705547850, 1316700, 180180, 199080

Offset

1,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..200

Mathematica

Table[Denominator[NorlundB[n, n]], {n, 2, 100, 2}]/6 (* T. D. Noe, Mar 28 2013 *)

Crossrefs

Cf. A002790.

Sequence in context: A067113 A101774 A222560 * A245015 A196366 A306772

Adjacent sequences: A222558 A222559 A222560 * A222562 A222563 A222564

Keyword

nonn

Author

Takao Komatsu, Mar 28 2013

Status

approved