# A132818 (b-file synthesized from sequence entry) 1 1 2 3 3 3 4 6 5 18 6 6 7 10 8 60 9 60 10 10 11 15 12 150 13 300 14 150 15 15 16 21 17 315 18 1050 19 1050 20 315 21 21 22 28 23 588 24 2940 25 4900 26 2940 27 588 28 28 29 36 30 1008 31 7056 32 17640 33 17640 34 7056 35 1008 36 36 37 45 38 1620 39 15120 40 52920 41 79380 42 52920 43 15120 44 1620 45 45 46 55 47 2475 48 29700 49 138600 50 291060