# A121367 (b-file synthesized from sequence entry) 1 1 2 1 3 2 4 3 5 5 6 8 7 13 8 15 9 28 10 43 11 57 12 100 13 157 14 167 15 324 16 491 17 497 18 988 19 1485 20 1979 21 2144 22 4123 23 4257 24 8380 25 9799 26 13989 27 23788 28 37777 29 49671 30 87448 31 104005 32 125867 33 229872 34 355739 35 384473 36 740212 37 1124685 38 1494791 39 1536446 40 3031237 41 4567683 42 7598920