18152

Appears in sequences

• Central octonomial coefficients: largest coefficient of (1+x+...+x^7)^n.at n=6A025013
• Numbers k such that the continued fraction for sqrt(k) has even period and if the last term of the periodic part is deleted the central term is 67.at n=33A031565
• Numbers ending with '2' that are the difference of two positive cubes.at n=41A038857
• Numerators of continued fraction convergents to sqrt(937).at n=8A042812
• Number of ordered solutions to x+y+z = u+v+w, 0 <= x, y, z, u, v, w < n.at n=7A071816
• Number of permutations of 1..n containing the relative rank sequence { 135462 } at any spacing.at n=3A159100
• Number of permutations of 1..n containing the relative rank sequence { 136542 } at any spacing.at n=3A159108
• Number of permutations of 1..n containing the relative rank sequence { 154632 } at any spacing.at n=3A159130
• Number of trisubstituted linear alkanes of composition C_n H_(2n-1) XYZ.at n=16A159941
• Number of binary strings of length n with no substrings equal to 0001 0010 or 1010.at n=15A164449
• Triangle T, read by rows : T(n,k) = A007318(n,k)*A026641(n-k).at n=37A171650
• Number of 3*n X n 0..7 arrays with row sums 7 and column sums 21.at n=1A172936
• a(1) = 2, a(n) = (n-th-even n^3) - (sum of previous terms).at n=28A181509
• Number of (n+1)X(n+1) 0..7 arrays with diagonal zero and the i,j-th 2X2 subblock sum equal to the j,i-th 2X2 subblock sum.at n=1A187407
• T(n,k)=Number of (n+1)X(n+1) 0..k arrays with diagonal zero and the i,j-th 2X2 subblock sum equal to the j,i-th 2X2 subblock sum.at n=29A187408
• Number of (n+1) X 4 0..1 arrays with every 2 X 2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.at n=3A205313
• Number of (n+1) X 5 0..1 arrays with every 2 X 2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.at n=2A205314
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.at n=17A205318
• T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with every 2X2 subblock having the same number of equal edges, and new values 0..1 introduced in row major order.at n=18A205318
• Numbers n such that n^8 + 1 and (n + 2)^8 + 1 are both prime.at n=38A217972