40526

Appears in sequences

• Numbers k such that sigma(k) and sigma(k+1) are nontrivial powers (A065496).at n=15A065522
• Coefficient of the irreducible character of S_m indexed by (m-2n+2,2n-2) in the n-th Kronecker power of the representation indexed by (m-2,2).at n=24A090809
• a(n) = n*(6*n^2 + 15*n + 5)/2.at n=23A163833
• Number of nondecreasing strings of numbers x(i=1..n) in -4..4 with sum x(i)^3 equal to 0.at n=27A188272
• Expansion of Product_{k>=0} 1 / (1 - x^(2^k) - x^(2^(k+1)))^(2^k).at n=18A357366