# A143008 (b-file synthesized from sequence entry) 0 1 1 13 2 73 3 253 4 661 5 1441 6 2773 7 4873 8 7993 9 12421 10 18481 11 26533 12 36973 13 50233 14 66781 15 87121 16 111793 17 141373 18 176473 19 217741 20 265861 21 321553 22 385573 23 458713 24 541801 25 635701 26 741313 27 859573 28 991453 29 1137961 30 1300141 31 1479073 32 1675873 33 1891693 34 2127721