26054

Appears in sequences

• Numbers n such that 155*2^n-1 is prime.at n=20A050619
• Number of partitions of n^2 into squares not less than n.at n=41A093116
• Number of zig-zag paths from top to bottom of a rectangle of width 11 with n rows.at n=12A153368
• n-th derivative of x^(x^(x^x)) at x=1.at n=7A179405
• Seventh derivative of f_n at x=1, where f_n is the n-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways.at n=7A215837
• A(n,k) is the n-th derivative of the k-th tetration of x (power tower of order k) x^^k at x=1; square array A(n,k), n>=0, k>=0, read by antidiagonals.at n=73A277537
• n-th derivative of f_{n+1} at x=1, where f_k is the k-th of all functions that are representable as x^x^...^x with m>=1 x's and parentheses inserted in all possible ways.at n=7A306739
• Expansion of Product_{k>=1} B(x^k), where B(x) is the g.f. of A111374.at n=54A327851
• Number of ways to write n as an ordered sum of 7 nonzero decimal palindromes.at n=13A341204
• E.g.f. satisfies A(x) = -log(1 - x)/(1 - A(x))^2.at n=5A371314
• Number of binary strings of length n that contain at least one maximal run of ones of even length.at n=15A387332