# A352853 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 5 5 15 6 53 7 205 8 865 9 3928 10 18943 11 96387 12 514745 13 2871568 14 16670197 15 100400979 16 625756254 17 4026925835 18 26705001158 19 182188059474 20 1276736262332 21 9178023547010 22 67597658864028 23 509525556949153 24 3926577535219879 25 30908466065826275 26 248308190295151020