41090

Appears in sequences

• Numbers whose base-4 representation contains exactly four 0's and four 2's.at n=23A045061
• Diagonal in array of n-gonal numbers A081422.at n=34A081435
• n-th derivative of (x^x)^(x^x) at x=1.at n=7A215522
• 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=5A215837
• Sum of 4th powers of proper divisors of n.at n=27A279363