# A150748 (b-file synthesized from sequence entry) 0 1 1 2 2 8 3 29 4 127 5 526 6 2398 7 10528 8 49079 9 222629 10 1052436 11 4872918 12 23256948 13 109198489 14 524785513 15 2488947601 16 12023885601 17 57458710208 18 278707023748 19 1339661983972 20 6519215166597 21 31481496320291 22 153604326225997 23 744549848981509 24 3640776373336534 25 17702211369985990 26 86721934545197346