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A004143 From the powers that be.
(Formerly M1386)
+0
1
0, 1, 2, 5, 10, 40, 40, 106, 5627, 14501, 330861, 658110 (list; graph; listen)
OFFSET

2,3

REFERENCES

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

R. B. Eggleton, P. Erdos and J. L. Selfridge, The powers that be, Amer. Math. Monthly, 83 (1976), 801-805.

CROSSREFS

Sequence in context: A144636 A018418 A155217 this_sequence A103036 A018439 A018451

Adjacent sequences: A004140 A004141 A004142 this_sequence A004144 A004145 A004146

KEYWORD

nonn,nice

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.


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