55862

Appears in sequences

• a(n) = (2*n - 1)*(3*n^2 - 3*n + 2)/2.at n=26A063491
• Numbers k such that 10^(2k+1) - 4*10^k - 1 is prime.at n=6A183186
• G.f.: (1+x^3)/(1-x-x^6).at n=45A193941
• k such that 10^(2*k+1)-j*10^k-1 is prime for some j = 1, 2, 4, 5, 7 or 8.at n=41A213881
• Number of positive subset sums of integer partitions of n.at n=25A276024
• Expansion of Sum_{k>=1} k^3 * x^k/(1 - x^k)^3.at n=33A366135