131282534380domain: NAppears in sequencesa(n) equals the coefficient of x^n in Sum_{m>=0} (x^m + 1/x^m)^m for n > 0.at n=79A304638a(n) equals the coefficient of x^n in Sum_{m>=0} (x^m + 2 + 1/x^m)^m for n >= 1.at n=19A316592