# A373278 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 10 4 13 5 16 6 100 7 148 8 205 9 1000 10 1606 11 2410 12 10000 13 17005 14 27070 15 100000 16 177421 17 295648 18 1000000 19 1833178 20 3168538 21 10000000 22 18811948 23 33503020 24 100000000 25 192080866 26 350707345 27 1000000000 28 1953820210 29 3642942040 30 10000000000 31 19815499120 32 37611477133