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A132643
Bell number B(n) raised to power B(n).
0
1, 1, 4, 3125, 437893890380859375, 170676555274132171974277914691501574771358362295975962674353045737940041855191232907575296
OFFSET
1,3
COMMENTS
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.
MATHEMATICA
#^#&/@BellB[Range[0, 5]] (* Harvey P. Dale, Aug 26 2024 *)
CROSSREFS
Cf. A000110.
Sequence in context: A306728 A172953 A132639 * A079193 A247154 A134908
KEYWORD
nonn
AUTHOR
Omar E. Pol, Aug 25 2007
STATUS
approved