46440
domain: N
Appears in sequences
- Walks on hexagonal lattice using each point at most three times.at n=6A007275
- a(n) = 6^n - n^3.at n=6A024065
- Smallest oblong (promic) number containing exactly n 4's.at n=2A048538
- Number of primitive (period n) periodic palindromes using a maximum of five different symbols.at n=11A056496
- Number of integers q such that phiter(q)=n where phiter(n) = A064415(n).at n=13A064416
- a(n) =(A001359[n]^2-1)/2.at n=22A117849
- a(n) = n^6 - n^3.at n=6A136006
- a(n) = Hermite(n, 18).at n=3A158700
- The 3rd Hermite Polynomial evaluated at n: H_3(n) = 8*n^3 - 12*n.at n=18A163322
- Numbers with prime factorization p*q*r^3*s^3 (where p, q, r, s are distinct primes).at n=23A190108
- Number of assembly trees for complete bipartite graph K_{n,n}.at n=4A217523
- Averages q of twin prime pairs, such that q concatenated to q is also the average of a twin prime pair.at n=40A235109
- Number of (n+2) X (7+2) 0..1 arrays with no 3 X 3 subblock diagonal sum 0 and no antidiagonal sum 3 and no row sum 0 or 3 and no column sum 0 or 3.at n=20A258965
- Numbers j such that ceiling(j^(1/k)) divides j for all integers k >= 1.at n=15A261206
- Numbers n such that round(n^(1/k)) divides n for all integers k>=1.at n=18A261341
- a(n) = 81*n^2 - 9*n.at n=24A277991
- Maximum number of 6 sphinx tile shapes in a sphinx tiled hexagon of order n.at n=35A291582
- Triangle, read by rows, where the g.f. of row n equals Product_{k=0..n-2} (n + k*y + n*y^2) for n > 1 with a single '1' in row 1.at n=27A324305
- Triangle, read by rows, where the g.f. of row n equals Product_{k=0..n-2} (n + k*y + n*y^2) for n > 1 with a single '1' in row 1.at n=33A324305
- Array read by antidiagonals: T(n,k) is the number of permutations of k indistinguishable copies of 1..n with exactly 2 local maxima.at n=29A334773