# A347817 (b-file synthesized from sequence entry) 0 1 1 0 2 2 3 3 4 40 5 80 6 1760 7 8211 8 139256 9 763272 10 19466578 11 147696835 12 3372858476 13 33370016316 14 872184749046 15 10340382875655 16 289042962136272 17 3884706041971728 18 118640349946950738 19 1911641854423398435 20 59577007012206421356 21 1086774235381609797540 22 37138839666110194130670