A004098 Bell numbers written backwards.

1, 1, 2, 5, 51, 25, 302, 778, 414, 74112, 579511, 75876, 7953124, 73444672, 223998091, 5458592831, 74124108401, 40896846828, 951608670286, 7505022472385, 27353285142715, 157651618968474, 3237448375176054, 64348055850025144, 982508492968859544

Offset

0,3

Links

Alois P. Heinz, Table of n, a(n) for n = 0..576

Formula

a(n) = A004086(A000110(n)). - Michel Marcus, Apr 05 2014

Maple

b:= proc(n) option remember; `if`(n=0, 1,
      add(b(n-j)*binomial(n-1, j-1), j=1..n))
    end:
a:= n-> (s-> parse(cat(seq(s[-i], i=1..length(s)))))(""||(b(n))):
seq(a(n), n=0..30);  # Alois P. Heinz, Apr 01 2018

Mathematica

FromDigits[Reverse[IntegerDigits[#]]]&/@BellB[Range[0, 30]] (* Harvey P. Dale, Feb 01 2012 *)

Prog

(Magma) [Seqint(Reverse(Intseq(Bell(n)))): n in [0..30]]; // Vincenzo Librandi, Jan 30 2015

Crossrefs

Cf. A000110, A004086.

Sequence in context: A102011 A328151 A208797 * A356492 A208206 A005114

Adjacent sequences: A004095 A004096 A004097 * A004099 A004100 A004101

Keyword

nonn,base

Author

N. J. A. Sloane

Extensions

More terms from Eric M. Schmidt, Apr 04 2014

Status

approved