# A186368 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 1 4 1 5 4 6 1 7 10 8 5 9 1 10 20 11 40 12 1 13 35 14 175 15 61 16 1 17 56 18 560 19 768 20 1 21 84 22 1470 23 4996 24 1385 25 1 26 120 27 3360 28 22720 29 24320 30 1 31 165 32 6930 33 81730 34 214445 35 50521 36 1 37 220 38 13200 39 248512 40 1288320 41 1152512 42 1 43 286 44 23595 45 665236 46 5986695 47 12989678 48 2702765 49 1 50 364 51 40040 52 1610752 53 23063040 54 98169344 55 76477440