13226976

Appears in sequences

• Triangle whose (i,j)-th entry is binomial(i,j)*6^(i-j)*9^j.at n=30A038263
• Composite n added to sum of its prime factors is nextprime(n).at n=21A050765
• Numbers which can be written using their digits in order and only multiplication and squaring operators.at n=19A194766
• Triangular array read by rows: T(n, k) is the number of rooted forests on {1, 2, ..., n} in which one tree has been specially designated that contain exactly k trees; n >= 1, 1 <= k <= n.at n=39A225465
• Numbers k such that A007954(k) divides k and k divides A007954(k)^2.at n=25A257554
• Numbers of multiplicative persistence 5 which are themselves the product of digits of a number.at n=15A350184