# A095869 (b-file synthesized from sequence entry) 1 1 2 3 3 6 4 15 5 21 6 28 7 36 8 45 9 55 10 66 11 78 12 91 13 136 14 171 15 231 16 276 17 378 18 406 19 435 20 465 21 528 22 561 23 595 24 666 25 703 26 741 27 861 28 903 29 990 30 1081 31 1128 32 1176 33 1225 34 1275 35 1326 36 1431 37 1540 38 1596 39 1653 40 1711 41 1770 42 1953 43 2016 44 2211 45 2278 46 2346 47 2485 48 2556 49 2628 50 2775