-662

Appears in sequences

• McKay-Thompson series of class 22B for Monster.at n=31A058568
• a(1) = 1, a(2n) = a(2n-1) + c(n) and a(2n+1) = a(2n) - p(n), where c(n)=A002808(n) and p(n)=A000040(n) are the n-th composite and n-th prime numbers, respectively.at n=57A073891
• Matrix inverse of triangle A096651; transforms n-dimensional partitions into (n-1)-dimensional partitions.at n=57A096874
• McKay-Thompson series of class 22B for the Monster group with a(0) = -2.at n=31A132320
• Expansion of 1 / (1 - x^5 - x^8 + x^9) in powers of x.at n=61A257543
• Expansion of Product_{k>=1} 1/(1 + x^k)^sigma(k).at n=24A288421
• Expansion of 1 / Sum_{k in Z} x^(2*k) / (1 - x^(5*k+2)).at n=39A375061