# A333494 (b-file synthesized from sequence entry) 1 1 2 2 3 7 4 22 5 69 6 208 7 634 8 1903 9 5734 10 17210 11 51702 12 155107 13 465561 14 1396684 15 4190689 16 12572144 17 37718360 18 113155081 19 339471195 20 1018413586 21 3055258062 22 9165774828 23 27497376189 24 82492128568 25 247476542954 26 742429628932 27 2227289352360 28 6681868062822 29 20045605585809