A006685 Coefficients for numerical integration.

24, 1920, 193536, 66355200, 13624934400, 243465191424000, 4944216195072000, 9990141980442624000, 39391717484295880704000, 465236915972420822630400000

Offset: 0

Author

N. J. A. Sloane

Keywords

• nonn

References

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

Links

• H. E. Salzer, Coefficients for mid-interval numerical integration with central differences, Phil. Mag., 36 (1945), 216-218.
• T. R. Van Oppolzer, Lehrbuch zur Bahnbestimmung der Kometen und Planeten, Vol. 2, Engelmann, Leipzig, 1880, p. 545 (see denominators of numbers named P(2,2k)).

Crossrefs

Cf. A002197, A002198.

Formula

a(n) = A002198(n) / (2*n+1). - Sean A. Irvine, Jun 17 2017