# A065992 (b-file synthesized from sequence entry) 1 6 2 12 3 31 4 40 5 411 6 1638 7 2352 8 9465 9 263284 10 647498 11 1227466 12 3179974 13 4027111 14 5382959 15 29444851 16 32585267 17 50402546 18 52610042 19 98185445 20 3750320631 21 14471636075 22 79389982446 23 157183654414