# A083146 (b-file synthesized from sequence entry) 1 2 2 4 3 6 4 8 5 505 6 222 7 161 8 232 9 171 10 22 11 44 12 66 13 88 14 5005 15 858 16 616 17 616 18 1881 19 202 20 222 21 242 22 262 23 282 24 1661 25 1771 26 1881 27 1991 28 19291 29 404 30 424 31 444 32 464 33 484 34 2772 35 2882 36 2992 37 27072 38 29492 39 606 40 626 41 646 42 666 43 686 44 3883 45 3993 46 37673 47 38683 48 14541 49 808