# A116557 (b-file synthesized from sequence entry) 0 1 1 3 2 6 3 11 4 19 5 32 6 52 7 85 8 139 9 225 10 365 11 592 12 958 13 1551 14 2511 15 4064 16 6577 17 10642 18 17220 19 27863 20 45084 21 72948 22 118033 23 190982 24 309016