# A036883 (b-file synthesized from sequence entry) 1 1 2 3 3 7 4 18 5 45 6 112 7 263 8 594 9 1284 10 2684 11 5442 12 10761 13 20802 14 39431 15 73410 16 134469 17 242633 18 431772 19 758448 20 1316294 21 2258665 22 3834699 23 6445463 24 10731790 25 17709476 26 28977664 27 47036030 28 75767355 29 121164398 30 192422933 31 303572061 32 475900075