50301

Appears in sequences

• (s(n)+s(n+1))/6, where s()=A006521.at n=25A016059
• (s(n)+s(n+1))/18, where s()=A006521.at n=32A016060
• Denominators of continued fraction convergents to sqrt(217).at n=12A041405
• Odd numbers divisible by exactly 8 primes (counted with multiplicity).at n=14A046321
• Numbers n such that n | 12^n + 11^n + 10^n + 9^n + 8^n + 7^n.at n=41A057257
• Numbers where k-th digit from right is either 0 or k.at n=21A063013
• Numbers n such that n | 9^n + 7^n + 5^n + 3^n.at n=26A063455
• Scaled convolution of (n^3)*A000984(n) with A000984(n).at n=26A142962
• Number of n-step walks on cubic lattice starting at (0,0,0), remaining in the first (nonnegative) octant and using steps (0,0,1), (0,1,0), (1,0,0), (-1,1,1), (1,-1,1), and (1,1,-1).at n=7A328295
• The number of nonequivalent root ancestral configurations in a recursively defined family of gene trees and species trees with at least n = 9 leaves, in which for n >= 12 leaves, 3-leaf trees are successively added at the root of the tree with n-3 leaves.at n=21A355118
• Numbers k such that A360331(k) = A360331(k+1).at n=20A360359
• a(n) is the (n-1)-st frugal number in base n.at n=33A379539