# A033811 (b-file synthesized from sequence entry) 1 3 2 10 3 24 4 49 5 92 6 164 7 283 8 478 9 796 10 1313 11 2152 12 3512 13 5715 14 9282 15 15056 16 24401 17 39524 18 63996 19 103595 20 167670 21 271348 22 439105 23 710544 24 1149744 25 1860387 26 3010234 27 4870728 28 7881073 29 12751916 30 20633108