A100117 a(n) = 2^(Bell_Number(n)).

2, 4, 32, 32768, 4503599627370496, 12855504354071922204335696738729300820177623950262342682411008

Offset

1,1

Links

Table of n, a(n) for n=1..6.

Maple

seq(2^bell(x), x=1..6);

Crossrefs

Cf. A000110.

Sequence in context: A336832 A122214 A122216 * A073888 A114642 A200980

Adjacent sequences: A100114 A100115 A100116 * A100118 A100119 A100120

Keyword

nonn

Author

Jorge Coveiro, Dec 26 2004

Status

approved