# A045009 (b-file synthesized from sequence entry) 1 81 2 244 3 246 4 252 5 270 6 324 7 733 8 739 9 741 10 757 11 759 12 765 13 811 14 813 15 819 16 837 17 973 18 975 19 981 20 999 21 1053 22 2200 23 2218 24 2224 25 2226 26 2272 27 2278 28 2280 29 2296 30 2298 31 2304 32 2434 33 2440 34 2442 35 2458 36 2460 37 2466 38 2512 39 2514 40 2520 41 2538