66978

Appears in sequences

• Number of partitions into non-integral powers.at n=27A000263
• Expansion of Product_{m>=1} (1+q^m)^(-4).at n=34A022599
• a(n) = prime(1^3) + prime(2^3) + prime(3^3) + ... + prime(n^3).at n=12A109789
• McKay-Thompson series of class 24E for the Monster group.at n=34A112160
• Even refactorable numbers k such that the number r of odd divisors of k and the number s of even divisors of k are both odd divisors of k.at n=27A120361
• Non-deficient numbers with odd sigma such that the sum of the even divisors is twice the sum of the odd divisors.at n=34A171642
• Expansion of 2*(1 -4*x +14*x^2 +4*x^3 +9*x^4)/(1-x)^5.at n=14A173785
• Number of bases to which terms of A141768 are strong pseudoprimes.at n=23A195328
• Smooth necklaces with 3 colors.at n=15A215327
• Number of n X 4 arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 n X 4 array.at n=5A218060
• T(n,k) = Number of n X k arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 n X k array.at n=41A218064
• Number of 6Xn arrays of the minimum value of corresponding elements and their horizontal or antidiagonal neighbors in a random 0..1 6Xn array.at n=3A218069
• G.f. ( Chi(sqrt(x))^4 + Chi(-sqrt(x))^4 )/2, where Chi(x) = Product_{k >= 0} 1 + x^(2*k+1) is the g.f. of A000700.at n=17A366104
• Refactorable numbers that are twice a square.at n=43A376114