# A048695 (b-file synthesized from sequence entry) 0 1 1 8 2 17 3 42 4 101 5 244 6 589 7 1422 8 3433 9 8288 10 20009 11 48306 12 116621 13 281548 14 679717 15 1640982 16 3961681 17 9564344 18 23090369 19 55745082 20 134580533 21 324906148 22 784392829 23 1893691806 24 4571776441 25 11037244688