243040

Appears in sequences

• Coefficients in quasimodular form F_2(q) of level 1 and weight 6.at n=35A126858
• Triangle T(n,k): the coefficient of [t^n] [x^k] of 2^(n+5) *n! *exp(t*(1+t)*x) / (3+exp(t*(1+t))).at n=32A178603
• Triangle read by rows: T(n,k) = number of crossing connected diagrams in a disk having n crossings and k chords.at n=26A232227
• Number of nX7 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=4A281562
• Number of 5Xn 0..1 arrays with no element equal to more than two of its horizontal, diagonal or antidiagonal neighbors, with the exception of exactly two elements, and with new values introduced in order 0 sequentially upwards.at n=6A281567