25551

Appears in sequences

• Powers of cube root of 21 rounded up.at n=10A018038
• Starting positions of strings of three 7's in the decimal expansion of Pi.at n=26A083631
• Number of functions f:{1,2,...,n}->{1,2,...,n} with odd cycles only.at n=6A116956
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, 0, 0), (-1, 0, 1), (0, -1, 1), (0, 1, 1), (1, 0, -1)}.at n=9A148977
• a(n) = (10*n+3)*(10*n+17).at n=15A152579
• G.f. satisfies: A(x) = (1+x*A(x))*(1+x*A(x)^2)*(1+x*A(x)^3).at n=5A212070
• Numbers n such that 7^n + 6 is prime.at n=10A217130
• Triangle read by rows: T(n,k) number of ways of partitioning the (n+3)-element multiset {1,1,1,1,2,3,...,n} into exactly k nonempty parts, n >= 0 and 1 <= k <= n + 3.at n=56A291118
• Expansion of (1 / theta_4(x) - 1)^6 / 64.at n=6A341367