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Search: id:A000488
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| A000488 |
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Generalized tangent numbers.
(Formerly M5024 N2167)
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+0
1
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| 16, 361, 3362, 16384, 55744, 152166, 355688, 739328, 1415232, 2529614, 4261454, 6885376, 10708160, 16054580, 23494584, 33554432, 46698624, 64037790, 86342918, 114163712, 149518720, 193356526, 246232840, 311635968, 390600000
(list; graph; listen)
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OFFSET
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1,1
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence).
Knuth, D. E.; Buckholtz, Thomas J. Computation of tangent, Euler and Bernoulli numbers. Math. Comp. 21 1967 663-688.
D. Shanks, Generalized Euler and class numbers, Math. Comp. 21 (1967), 689-694; 22 (1968), 699 [Kok Seng Chua reports that the Shanks reference is the correct one, not Knuth-Buckholtz].
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CROSSREFS
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Sequence in context: A155122 A094101 A034673 this_sequence A025759 A008427 A053105
Adjacent sequences: A000485 A000486 A000487 this_sequence A000489 A000490 A000491
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
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More terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jun 03 2000
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