258426

Appears in sequences

• McKay-Thompson series of class 15A for Monster.at n=25A058508
• McKay-Thompson series of class 15A for the Monster group with a(0) = 1.at n=25A134783
• McKay-Thompson series of class 15A for the Monster group with a(0) = 4.at n=25A153765
• Triangular array: T(n,k) counts upper triangular matrices with entries from {0,1} having n 1's in total, with k 1's on the main diagonal and at least one nonzero entry in each row.at n=39A182319
• Number of unlabeled rooted trees with n nodes where the outdegrees (branching factors) of adjacent nodes differ by at most one.at n=25A260403