# A351286 (b-file synthesized from sequence entry) 0 1 1 4 2 12 3 60 4 292 5 1292 6 5012 7 16628 8 49236 9 127964 10 285740 11 546308 12 902056 13 1298248 14 1639652 15 1841556 16 1841556 17 1639652 18 1298248 19 902056 20 546308 21 285740 22 127964 23 49236 24 16628 25 5012 26 1292 27 292 28 60 29 12 30 4 31 1