# A014794 (b-file synthesized from sequence entry) 0 0 1 64 2 1600 3 9216 4 30976 5 78400 6 166464 7 313600 8 541696 9 876096 10 1345600 11 1982464 12 2822400 13 3904576 14 5271616 15 6969600 16 9048064 17 11560000 18 14561856 19 18113536 20 22278400 21 27123264 22 32718400 23 39137536 24 46457856 25 54760000