-2488

Appears in sequences

• Square array A(n, k) = A329644(prime(n)^k), read by falling antidiagonals: (1,1), (1,2), (2,1), (1,3), (2,2), (3,1), ...at n=60A329637
• Expansion of 1/sqrt(1 - 4*x*(1-x)^4).at n=9A361817