# A048034 (b-file synthesized from sequence entry) 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 10 0 11 0 12 36 13 45 14 55 15 220 16 264 17 312 18 780 19 910 20 1050 21 3465 22 4220 23 5100 24 21420 25 26775 26 33117 27 118104 28 146300 29 179340 30 574644 31 708477 32 866019 33 2899380 34 3610540 35 4463500 36 15634300 37 19623175 38 24446565 39 83635695