# A023609 (b-file synthesized from sequence entry) 0 4 1 10 2 22 3 41 4 73 5 126 6 213 7 354 8 583 9 955 10 1558 11 2534 12 4114 13 6672 14 10811 15 17509 16 28347 17 45884 18 74261 19 120177 20 194471 21 314682 22 509188 23 823906 24 1333132 25 2157077 26 3490249 27 5647368 28 9137661