268912
domain: N
Appears in sequences
- Numbers of form 4^i*7^j, with i, j >= 0.at n=37A025619
- Triangular array T(n,k) read by rows, giving number of labeled free trees such that the root is smaller than all its children, with respect to the number n of vertices and to the degree k of the root.at n=22A071210
- Triangle, read by rows, of coefficients for the second iteration of the hyperbinomial transform.at n=39A089460
- a(n) = if n mod 2 = 1 then n^3*(n-1)^2/2 else n^5/2.at n=14A122658
- Denominator of Euler(n, 1/14).at n=5A156359
- Numbers of the form p^4*q^5 where p and q are two distinct primes.at n=7A179702
- Number of compositions of even natural numbers into 5 parts <= n.at n=13A191484
- Number of compositions of odd positive integers into 5 parts <= n.at n=13A191902
- Number of (n+1)X2 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=4A203789
- Number of (n+1)X6 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=0A203793
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=10A203796
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with every 2X2 subblock having equal diagonal elements or equal antidiagonal elements.at n=14A203796
- Numbers k such that k*sum_of_digits(k) is a perfect cube.at n=25A227227
- Positive integers n such that n^2 divided by the digital sum of n is a cube.at n=22A236749
- Number of permutations of n elements divided by the number of 6-ary heaps on n+1 elements.at n=43A273734
- Numbers k such that k^4 is the sum of two positive 5th powers.at n=6A291852
- Terms of A301517 that are not exponentially odd numbers (A268335).at n=24A335989
- Quartic-full (4-full) Achilles numbers.at n=22A391011