a(n) is the denominator of c(n), where c(n) is calculated from Product_{i>=1}(1-c(i)*x^i) = exp(-(x^2)/(1-x))*(1-x).

A264859

a(n) is the denominator of c(n), where c(n) is calculated from Product_{i>=1}(1-c(i)*x^i) = exp(-(x^2)/(1-x))*(1-x).

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =1a(5) =6a(6) =1a(7) =8a(8) =3a(9) =10a(10) =1a(11) =36a(12) =1a(13) =14a(14) =15a(15) =128a(16) =1a(17) =648a(18) =1a(19) =800a(20) =21a(21) =22a(22) =1a(23) =13824a(24) =5a(25) =26a(26) =81a(27) =6272a(28) =1a(29) =972000

External references