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

Author

N. J. A. Sloane

Keywords

• nonn
• frac

Examples

			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 + ...
		

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

Crossrefs

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

Programs

PARI

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