# A325508 (b-file synthesized from sequence entry) 0 1 1 1 2 2 3 4 4 10 5 20 6 42 7 84 8 204 9 476 10 798 11 1596 12 3828 13 7656 14 12276 15 24180 16 36660 17 73320 18 120840 19 241680 20 389424 21 785680 22 1294440 23 2588880 24 3848880 25 7147920 26 11264760 27 15926040 28 26057304 29 52114608 30 74421648 31 148843296 32 187159392 33 340949280 34 527531760 35 926505360