18213

Appears in sequences

• Inverse Euler transform of {1, primes}.at n=53A030011
• McKay-Thompson series of class 14B for Monster.at n=34A058503
• McKay-Thompson series of class 28B for the Monster group.at n=34A112169
• Expansion of q^-1 * (chi(-q) * chi(-q^7))^3 in powers of q where chi() is a Ramanujan theta function.at n=34A132319
• Number of n X n binary arrays symmetric under horizontal reflection with all ones connected only in a 110-111-010 pattern in any orientation.at n=10A146241
• Number of permutations of 1..n containing the relative rank sequence { 256143 } at any spacing.at n=3A159166
• a(n) = a(n-1) + p(n) if p(n) > a(n-1), otherwise a(n) = a(n-1) - p(n), where p is the partition function A000041 (assuming a(n) = 0 for n < 0).at n=34A331165