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A132643 Bell number B(n) raised to power B(n). +0
1
1, 1, 4, 3125, 437893890380859375, 170676555274132171974277914691501574771358362295975962674353045737940041855191232907575296 (list; graph; listen)
OFFSET

1,3

COMMENT

Bell numbers (Also called exponential numbers): A000110.

FORMULA

a(n) = B(n)^B(n).

EXAMPLE

a(4)=3125 because B(4)=5 and we can write 3125=5^5 or 3125=5*5*5*5*5.

CROSSREFS

Cf. A000110.

Sequence in context: A066850 A066837 A132639 this_sequence A079193 A134908 A114498

Adjacent sequences: A132640 A132641 A132642 this_sequence A132644 A132645 A132646

KEYWORD

nonn

AUTHOR

Omar E. Pol (info(AT)polprimos.com), Aug 25 2007

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Last modified December 4 15:51 EST 2008. Contains 151308 sequences.


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