# A260346 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 4 4 22 5 124 6 706 7 3968 8 21880 9 118192 10 625776 11 3251744 12 16610072 13 83537520 14 414288080 15 2028760544 16 9822006896 17 47063458528 18 223408338400 19 1051514839104 20 4910856580376 21 22772597352944 22 104914684398352 23 480457417780320 24 2188115766353616 25 9914318477830304 26 44708936142838816