# A082581 (b-file synthesized from sequence entry) 1 10 2 21 3 35 4 55 5 78 6 136 7 165 8 171 9 253 10 286 11 330 12 406 13 462 14 465 15 666 16 680 17 715 18 820 19 903 20 969 21 1081 22 1287 23 1378 24 1711 25 1716 26 1771 27 1830 28 2211 29 2380 30 2485 31 2628 32 3081 33 3403 34 3654 35 3876 36 3916 37 4495 38 4656 39 5050 40 5253 41 5671 42 5886 43 6188 44 6328 45 7770 46 8001 47 8515