60266

Appears in sequences

• Number of compositions of n with difference -1 between the number of odd parts and the number of even parts, both counted without multiplicity.at n=18A242840
• Numbers n such that the pentagonal number P(n) is equal to the sum of the heptagonal numbers H(m), H(m+1) and H(m+2) for some m.at n=1A252116
• Expansion of e.g.f. exp((g^2 - 1)/2), where g = 1+x*g^3 is the g.f. of A001764.at n=5A391556