# A138588 (b-file synthesized from sequence entry) 1 2 2 3 3 4 4 6 5 6 6 20 7 24 8 48 9 48 10 110 11 110 12 110 13 243 14 403 15 402 16 2504 17 2352 18 12219 19 25200 20 60458 21 14256 22 95760 23 120120 24 582090 25 582096 26 186120 27 3299404 28 11060250 29 28648620 30 376576202 31 9469950 32 832431604 33 832431603 34 962161203 35 1403352722