# A081271 (b-file synthesized from sequence entry) 0 1 1 13 2 34 3 64 4 103 5 151 6 208 7 274 8 349 9 433 10 526 11 628 12 739 13 859 14 988 15 1126 16 1273 17 1429 18 1594 19 1768 20 1951 21 2143 22 2344 23 2554 24 2773 25 3001 26 3238 27 3484 28 3739 29 4003 30 4276 31 4558 32 4849 33 5149 34 5458 35 5776 36 6103 37 6439 38 6784 39 7138 40 7501 41 7873 42 8254 43 8644 44 9043 45 9451