# A053960 (b-file synthesized from sequence entry) 1 2 2 3 3 7 4 8 5 212 6 264 7 2236 8 3114 9 3157 10 31614 11 68187 12 254842 13 80434114 14 263527313 15 3073591864 16 6670791907 17 21134016762 18 21610059386 19 97312381892 20 22237232291063 21 999997323321167445187 22 22236561446627600040614 23 9718263579193026119075264