# A375720 (b-file synthesized from sequence entry) 2 1 3 -1 4 1 5 3 6 -1 7 -3 8 -10 9 -15 10 1 11 3 12 10 13 30 14 55 15 105 16 105 17 -1 18 -3 19 -10 20 -30 21 -76 22 -168 23 -350 24 -630 25 -910 26 -1260 27 -945 28 1 29 3 30 10 31 30 32 76 33 196 34 434 35 910 36 1806 37 3381 38 5789 39 9135 40 12880 41 15750 42 17325 43 10395 44 -1 45 -3 46 -10 47 -30 48 -76 49 -196 50 -470 51 -1018 52 -2166 53 -4461 54 -8609 55 -16065 56 -28336 57 -48006 58 -78519 59 -120960 60 -172200 61 -228375 62 -275275 63 -294525 64 -270270 65 -135135