# A094578 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 4 4 19 5 76 6 316 7 1264 8 5101 9 20404 10 81796 11 327184 12 1309444 13 5237776 14 20953936 15 83815744 16 335274259 17 1341097036 18 5364433276 19 21457733104 20 85831112764 21 343324451056 22 1373298525616 23 5493194102464 24 21972779294716