# A123968 (b-file synthesized from sequence entry) 1 -2 2 1 3 6 4 13 5 22 6 33 7 46 8 61 9 78 10 97 11 118 12 141 13 166 14 193 15 222 16 253 17 286 18 321 19 358 20 397 21 438 22 481 23 526 24 573 25 622 26 673 27 726 28 781 29 838 30 897 31 958 32 1021 33 1086 34 1153 35 1222 36 1293 37 1366 38 1441 39 1518 40 1597 41 1678 42 1761 43 1846 44 1933 45 2022 46 2113 47 2206 48 2301 49 2398 50 2497