# A360748 (b-file synthesized from sequence entry) 0 1 1 1 2 1 3 2 4 5 5 10 6 21 7 53 8 133 9 327 10 861 11 2361 12 6469 13 18168 14 52757 15 155221 16 463077 17 1412656 18 4379917 19 13747504 20 43834213 21 141866555 22 464650309 23 1541008295 24 5176660997 25 17586913779 26 60400627453 27 209746820056 28 735953607173 29 2607716976945 30 9330605338485