90248

Appears in sequences

• Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined.at n=29A015128
• Number of periodic palindromic structures of length n using exactly four different symbols.at n=19A056510
• Number of atoms in cluster of n layers around C_60.at n=29A063498
• Riordan matrix (1/((1-x)*sqrt(1-4*x)),x/(1-x)).at n=56A187887
• Numbers k such that 4^k + 15 is prime.at n=37A253773