# A296097 (b-file synthesized from sequence entry) 1 25200 2 61425 3 145530 4 500500 5 749700 6 828828 7 1185030 8 2031120 9 2162160 10 2821500 11 4573800 12 5364450 13 13857480 14 17907120 15 20991960 16 21783300 17 24643710 18 27162135 19 29610360 20 30933045 21 34283340 22 37191000 23 40901490 24 60769800 25 64292130 26 71216145 27 76576500 28 90041490