196888

Appears in sequences

• Composite numbers whose multiplicative persistence is 7.at n=34A199997
• Number of partitions of 2n in which every part is <n+1; also, the number of partitions of 2 into rational numbers a/b such that 0<a<=b<=n and b divides n.at n=24A209816
• Number of 3-regular maps with 2n vertices on the torus, up to orientation-preserving isomorphisms.at n=5A292408
• a(n) = 4^n*Euler(n, 1/4)*2^(valuation_{2}(n + 1)).at n=7A339058