7939008

Appears in sequences

• Number of 4-dimensional cubic lattice walks that start and end at the origin after 2n steps, free to pass through origin at intermediate stages.at n=5A039699
• Third column (k=2) of triangle A134832 (circular succession numbers).at n=10A134515
• Square array A(n,k) = (2*n)! [x^n] BesselI(0, 2*sqrt(x))^k read by antidiagonals.at n=50A287318
• Number of 2n-move closed antelope paths on an unbounded chessboard from a given square to the same square.at n=5A307347