# A342125 (b-file synthesized from sequence entry) 1 2 2 6 3 10 4 30 5 70 6 210 7 770 8 2310 9 10010 10 30030 11 34034 12 170170 13 510510 14 646646 15 3233230 16 9699690 17 14872858 18 74364290 19 223092870 20 431312882 21 2156564410 22 6469693230 23 13370699342 24 66853496710 25 200560490130 26 494715875654 27 2473579378270 28 7420738134810 29 20283350901814