# A367223 (b-file synthesized from sequence entry) 0 0 1 0 2 1 3 2 4 4 5 8 6 15 7 27 8 49 9 90 10 165 11 301 12 548 13 998 14 1819 15 3316 16 6040 17 10986 18 19959 19 36253 20 65904 21 119986 22 218796 23 399461 24 729752 25 1333162 26 2434411 27 4441954 28 8097478 29 14746715 30 26830230 31 48773790 32 88605927 33 160900978 34 292140427 35 530487359 36 963610200 37 1751171679 38 3183997509