A047688 Denominators of coefficients in Taylor series for exp(sin(x)).

1, 1, 2, 1, 8, 15, 240, 90, 5760, 5670, 3628800, 3150, 14515200, 48648600, 4151347200, 2554051500, 20922789888000, 43418875500, 6402373705728000, 34735100400, 3283268567040000, 623668727682000, 34060628114472960000, 306265893058125

Offset

0,3

References

CRC Standard Mathematical Tables and Formulae, 30th ed. 1996, p. 42.

Links

M. F. Hasler, Table of n, a(n) for n = 0..500, Jun 07 2025

Example

1 + 1*x + (1/2)*x^2 - (1/8)*x^4 - (1/15)*x^5 - (1/240)*x^6 + (1/90)*x^7 + (31/5760)*x^8 + ...

Prog

(PARI) apply(denominator, Vec(exp(sin(x)))) \\ M. F. Hasler, Jun 07 2025

Crossrefs

Cf. A047687 (numerators), A002017 (e.g.f. of exp(sin(x))).

Sequence in context: A379543 A121360 A199928 * A391910 A372385 A089925

Adjacent sequences: A047685 A047686 A047687 * A047689 A047690 A047691

Keyword

nonn,frac

Author

N. J. A. Sloane

Status

approved