OFFSET
1,1
LINKS
Seiichi Manyama, Table of n, a(n) for n = 1..422
Ken Ono, The Web of Modularity: Arithmetic of the Coefficients of Modular Forms and q-series, CBMS Regional Conference Series in Mathematics, vol. 102, American Mathematical Society, Providence, RI, 2004.
FORMULA
a(n) == A000594(n) mod 11.
a(n) ~ 6 * (-1)^n * exp(Pi*sqrt(3)*n). - Vaclav Kotesovec, Jul 09 2017
EXAMPLE
CROSSREFS
KEYWORD
sign
AUTHOR
Seiichi Manyama, Jul 08 2017
STATUS
approved