# A025082 (b-file synthesized from sequence entry) 1 2 2 3 3 8 4 13 5 31 6 50 7 105 8 170 9 340 10 550 11 1058 12 1712 13 3212 14 5197 15 9564 16 15475 17 28065 18 45410 19 81395 20 131700 21 233832 22 378348 23 666468 24 1078368 25 1886966 26 3053175 27 5312240 28 8595385