44720

Appears in sequences

• a(n) = (9*n+1)*(9*n+8).at n=23A001534
• McKay-Thompson series of class 18b for the Monster group.at n=23A058537
• Index of largest triangular number with n digits.at n=8A095863
• Number of strings of length n over a 5-letter alphabet that do not begin with a palindrome.at n=7A252698
• Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 213", based on the 5-celled von Neumann neighborhood.at n=40A270903
• Table read by upward antidiagonals: T(n,k) is the number of strings of length k over an n-letter alphabet that do not begin with a palindrome of two or more letters; n, k >= 1.at n=61A342238
• Expansion of Sum_{0<i<j<k<l<m} q^(2*(i+j+k+l+m)-5)/( (1-q^(2*i-1))*(1-q^(2*j-1))*(1-q^(2*k-1))*(1-q^(2*l-1))*(1-q^(2*m-1)) )^2.at n=29A365667