71400
domain: N
Appears in sequences
- a(n) = 2*(n+1)*binomial(n+3,4).at n=13A027789
- Triangle of labeled mobiles (circular rooted trees) with n nodes and k leaves.at n=23A055349
- Number of labeled mobiles (circular rooted trees) with n nodes and 3 leaves.at n=3A055350
- Number of periodic palindromes using exactly five different symbols.at n=13A056491
- Number of primitive (period n) periodic palindromes using exactly five different symbols.at n=13A056501
- Ooguri-Vafa invariants of disk domain wall degeneracies for brane I in the O(K) -> P^1 X P^1 geometry.at n=5A061617
- Numbers n that raised to the powers from 1 to k (with k>=1) are multiple of the sum of their digits (n raised to k+1 must not be a multiple). Case k=12.at n=23A135197
- The triangle T_2(n, m), where T_2(n, m) is the number of surjective multi-valued functions from {1, 1, 2, 3, ..., n-1} to {1, 2, 3, ..., m} by rows (n >= 1, 1 <= m <= n).at n=32A172106
- Numbers with prime factorization p*q*r*s^2*t^3 (where p, q, r, s, t are distinct primes).at n=13A190111
- Degrees of irreducible representations of orthogonal group O10-(2).at n=36A214475
- Degrees of irreducible representations of orthogonal group O10-(2).at n=37A214475
- Triangle read by rows: T(n,k) = ((Stirling2)^2)(n,k) * k!at n=25A233357
- Numbers with the property that in their factorization over distinct terms of A050376, the sums of prime and nonprime terms of A050376 are equal.at n=35A241270
- Number of ways to place 6 points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.at n=4A279440
- Triangle read by rows: T(n, k) is the number of ways to place k points on an n X n square grid so that no more than 2 points are on a vertical or horizontal straight line.at n=29A279445
- Number of nX4 0..1 arrays with every element unequal to 1, 2, 3, 6 or 8 king-move adjacent elements, with upper left element zero.at n=15A305485
- Triangle read by rows: T(n,k) is the number of achiral loops (necklaces or bracelets) of length n using exactly k different colors.at n=59A305540
- Numbers m such that A049417(A049417(m)) = k*m for some k where A049417 is the infinitary sigma function.at n=22A318182
- Irregular triangle read by rows: T(n,k) is the number of primitive (period n) periodic palindromes using exactly k different symbols, 1 <= k <= 1 + floor(n/2).at n=59A327878
- A331776(n)/4.at n=24A332594