# A148193 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 12 5 32 6 96 7 297 8 992 9 3292 10 11286 11 39642 12 142702 13 517764 14 1905053 15 7112962 16 26884881 17 102419779 18 393417205 19 1524886160 20 5956755229 21 23413733787 22 92563423743 23 368132782768 24 1472188208590 25 5915511687809 26 23873104348995 27 96758275748263 28 393773394807477 29 1608501101799055 30 6592904143659730