# A008663 (b-file synthesized from sequence entry) 0 1 1 24 2 156 3 192 4 636 5 624 6 1312 7 1152 8 2556 9 1752 10 4056 11 2880 12 5152 13 4080 14 7872 15 4992 16 10236 17 6960 18 11388 19 8640 20 16536 21 9216 22 19680 23 12672 24 20512 25 15624 26 26520 27 15744 28 30912 29 20208 30 34112 31 23040