47936
domain: N
Appears in sequences
- a(n) = A055993(n) - A034444(A056627(n)).at n=39A056630
- a(n) = A055993(n) - A034444(A056627(n)).at n=40A056630
- Number of nX3 array permutations with each element making a single king move.at n=4A189180
- Number of nX5 array permutations with each element making a single king move.at n=2A189182
- T(n,k) = Number of n X k array permutations with each element making a single king move.at n=23A189186
- T(n,k) = Number of n X k array permutations with each element making a single king move.at n=25A189186
- Number of (n+1) X (1+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=2A234170
- Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=0A234172
- T(n,k) is the number of (n+1) X (k+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=3A234175
- T(n,k) is the number of (n+1) X (k+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).at n=5A234175
- Number of (n+1)X(7+1) 0..2 arrays with the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=9A237636
- Numbers k such that 7*10^k - 69 is prime.at n=26A281643
- p-INVERT of (1,0,0,1,0,0,1,0,0,...), where p(S) = 1 - S - S^2.at n=17A289920
- Even numbers that are not the sum or difference of two binary palindromes (A006995).at n=26A290424
- E.g.f.: D(x,k) = 1 + k^2 * Integral S(x,k)*C(x,k)*D(x,k) dx, such that C(x,k)^2 - S(x,k)^2 = 1, and D(x,k)^2 - k^2*S(x,k)^2 = 1, as a triangle of coefficients read by rows.at n=17A322232
- E.g.f.: C(x,k) = cn( i * Integral C(x,k) dx, k), where C(x,k) = Sum_{n>=0} Sum_{j=0..n} T(n,j) * x^(2*n)*k^(2*j)/(2*n)!, as a triangle of coefficients T(n,j) read by rows.at n=18A325221
- Expansion of e.g.f. 1/( 1 - x * cosh(sqrt(2)*x) ).at n=7A381344