3904125225domain: NAppears in sequencesNumbers with exactly 8 distinct odd prime divisors {3,5,7,11,13,17,19,23}.at n=15A147581a(n) = numerator(hypergeom([-n, 1/2], [1], 1)*hypergeom([-floor(n/2), (-1)^n/2], [1], 1)).at n=13A295871