# A349024 (b-file synthesized from sequence entry) 0 1 1 3 2 18 3 124 4 951 5 7764 6 66200 7 582594 8 5252133 9 48254668 10 450186720 11 4253328540 12 40612877001 13 391300954065 14 3799506069816 15 37142836241690 16 365255937037437 17 3610755090793272 18 35861607622930556 19 357670540310182842 20 3580797575489620740