# A075435 (b-file synthesized from sequence entry) 2 2 3 6 4 4 5 20 6 24 7 8 8 70 9 116 10 72 11 16 12 252 13 520 14 456 15 192 16 32 17 924 18 2248 19 2496 20 1504 21 480 22 64 23 3432 24 9520 25 12624 26 9728 27 4480 28 1152 29 128 30 12870 31 39796 32 60792 33 56400 34 33440 35 12480 36 2688 37 256 38 48620 39 164904 40 283208 41 304704 42 218720 43 105600 44 33152 45 6144