2667168000domain: NAppears in sequencesDenominators of sequence arising from Apery's proof that zeta(3) is irrational.at n=9A059416Denominators of sequence arising from Apery's proof that zeta(3) is irrational.at n=10A059416Triangle read by rows: T(n,k) = count of increasing runs in two concatenated k-permutations of [n].at n=33A122823