# A052989 (b-file synthesized from sequence entry) 0 1 1 0 2 1 3 1 4 3 5 3 6 7 7 10 8 19 9 29 10 52 11 84 12 145 13 239 14 407 15 678 16 1146 17 1918 18 3232 19 5421 20 9121 21 15314 22 25749 23 43252 24 72701 25 122146 26 205282 27 344931 28 579662 29 974038 30 1636836 31 2750523 32 4622090 33 7766989 34 13051877 35 21932553 36 36855997 37 61933449 38 104074334