151632

Appears in sequences

• Euler totient function of Cullen numbers (A002064), n*2^n +1.at n=14A056820
• Totally multiplicative sequence with a(p) = 2*(4p+1) = 8p+2 for prime p.at n=23A167336
• Numbers k with the property that their basins (as defined in A204539) are 2.at n=27A185001
• Triangular array: the fusion of polynomial sequences P and Q given by p(n,x) = (2x+1)^n and q(n,x) = (2x+1)^n.at n=52A193730
• Mirror of the triangle A193730.at n=47A193731
• a(n+1) = (Product_{k=1..n} a(k)) * Sum_{k=1..n} a(k), a(1)=1, a(2)=2.at n=4A216151
• 4*(n + 7)^3 - 27*(n + 7)^2 = (4*n +1)*(n+7)^2.at n=29A245033
• p-INVERT of the odd positive integers, where p(S) = (1 - S)^2.at n=9A292482
• Numbers such that the product of their digits is equal to 10 times the sum of their prime factors, without multiplicity.at n=28A306313