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A000518 Generalized tangent numbers.
(Formerly M5432 N2361)
+0
1
272, 24611, 515086, 4456448, 23750912, 93241002, 296327464, 806453248, 1951153920, 4300685074, 8787223186, 16878338048, 30768878848, 53624926972, 89982082488, 146028888064, 230022888960, 353194774434, 529896144586 (list; graph; listen)
OFFSET

1,1

REFERENCES

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].

CROSSREFS

Sequence in context: A000517 A023907 A035842 this_sequence A162009 A028467 A028679

Adjacent sequences: A000515 A000516 A000517 this_sequence A000519 A000520 A000521

KEYWORD

nonn

AUTHOR

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

EXTENSIONS

More terms from Kok Seng Chua (chuaks(AT)ihpc.nus.edu.sg), Jun 03 2000

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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