# A173352 (b-file synthesized from sequence entry) 1 2 2 4 3 23 4 122 5 199 6 408 7 4995 8 7320 9 44217 10 177682 11 394826 12 1706886 13 1738064 14 8403388 15 21194961 16 110525339 17 314033376 18 328840890