55062

Appears in sequences

• Composite numbers such that the square root of the sum of squares of their prime factors is a prime.at n=23A134607
• Number of strict compositions of n that are neither increasing nor decreasing.at n=31A333149
• a(n) = 15120*(2*n)!/(n!*(n + 5)!); super ballot numbers, row 4 of A135573.at n=12A348898