# A179598 (b-file synthesized from sequence entry) 0 1 1 5 2 23 3 109 4 511 5 2405 6 11303 7 53149 8 249871 9 1174805 10 5523383 11 25968589 12 122092831 13 574027205 14 2698824263 15 12688690429 16 59656665391 17 280479519605 18 1318691881943 19 6199911802669 20 29149270463551 21 137047105812005