864720

Appears in sequences

• Theta series of direct sum of 5 copies of hexagonal lattice.at n=14A008656
• Base 7 digits are, in order, the first n terms of the periodic sequence with initial period 1,0,2,3.at n=7A037677
• Number of (n+1) X (5+1) 0..2 arrays with every 2 X 2 subblock diagonal minus antidiagonal sum nondecreasing horizontally and vertically.at n=8A253453
• 7*x - 1 Collatz-type sequence starting with a(0) = 11.at n=37A287330