# A007220 (b-file synthesized from sequence entry) 6 4 7 60 8 588 9 4636 10 31932 11 200364 12 1174492 13 6538492 14 34965772 15 181084796 16 913687100 17 4511834156 18 21880671292 19 104497300828 20 492527133804 21 2295081478492 22 10588446843324 23 48422608206348 24 219723559153052 25 990104070700956 26 4433734940648588