A079038 Fractional part of sinh(n) decreases monotonically to zero.

1, 3, 45, 75, 135, 259, 863, 1786, 2483, 2538, 5731, 16095, 36692, 94720

Offset: 0

Author

Benoit Cloitre, Feb 01 2003

Keywords

• nonn
• more

Crossrefs

Cf. A046947 (for abs(sin(n))).

Programs

Mathematica

$MaxExtraPrecision = Infinity; t = 1; Do[s = FractionalPart[Sinh[n]]; If[s < t, Print[n]; t = s;], {n, 1, 10000}]; (* Vaclav Kotesovec, Apr 06 2020 *)

PARI

lista(nn) = {my(b=2, r=1); print1(1); for(n=1, nn, until(frac(sinh(b))Jinyuan Wang, Apr 04 2020

Extensions

a(8)-a(12) from Jinyuan Wang, Apr 03 2020

a(13) from Vaclav Kotesovec, Apr 06 2020