# A290954 (b-file synthesized from sequence entry) 1 1 2 2 3 6 4 23 5 65 6 177 7 506 8 1551 9 5041 10 17049 11 59131 12 208469 13 743491 14 2675189 15 9695778 16 35358815 17 129646177 18 477640361 19 1767265159 20 6564122733 21 24466269715 22 91482566757 23 343059617231 24 1289904151413 25 4861946406095 26 18367353077397 27 69533550921901 28 263747951756961 29 1002242216658727 30 3814986502100477