# A053892 (b-file synthesized from sequence entry) 1 1 2 4 3 6 4 19 5 56 6 369 7 796 8 1146 9 1156 10 3656 11 8131 12 19056 13 40204 14 81619 15 258131 16 5624381 17 24762131 18 362789631 19 1079982019 20 11666754546 21 562726517354 22 3337114272296 23 5624644998854 24 18266544874814631 25 11537606482136410218512760694