71890

Appears in sequences

• Sum of the terms of the n-th row of triangle pertaining to A096130.at n=4A096131
• G.f. A(x) satisfies: A(x) = 1 + x*A(x^2)/(1 - x)^2.at n=49A307889
• Expansion of (1 + x) * Product_{k>=1} (1 + x^k)/(1 - x^k).at n=26A309266
• Square array A(n,k), n >= 1, k >= 1, read by antidiagonals, where A(n,k) is Sum_{j=1..n} binomial(j*k, k).at n=40A323663
• Products of 5 distinct primes that are sandwiched between sphenic numbers.at n=4A376929