# A135616 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 8 5 20 6 12 7 42 8 64 9 162 10 40 11 110 12 48 13 156 14 84 15 120 16 512 17 272 18 324 19 342 20 160 21 252 22 220 23 506 24 384 25 2500 26 312 27 4374 28 336 29 812 30 240 31 930 32 4096 33 660 34 544 35 840 36 1296 37 1332 38 684 39 936 40 1280