# A001992 (b-file synthesized from sequence entry) 1 5 2 53 3 173 4 173 5 293 6 2477 7 9173 8 9173 9 61613 10 74093 11 74093 12 74093 13 170957 14 360293 15 679733 16 2004917 17 2004917 18 69009533 19 138473837 20 237536213 21 384479933 22 883597853 23 1728061733 24 1728061733 25 1728061733 26 1728061733