242467530000domain: NAppears in sequencesCertain numbers a(n) related to Gromov-Witten invariants N_n in dimension n (see formula (7.45) on p. 202 of Cox and Katz).at n=4A060041Number of degree-n rational curves on a general quintic threefold.at n=4A076912Duplicate of A076912.at n=4A096934