# A023863 (b-file synthesized from sequence entry) 1 4 2 6 3 20 4 25 5 52 6 59 7 104 8 119 9 186 10 211 11 306 12 338 13 464 14 502 15 663 16 715 17 914 18 981 19 1222 20 1297 21 1585 22 1667 23 2004 24 2104 25 2494 26 2615 27 3062 28 3191 29 3700 30 3854 31 4429 32 4610 33 5256 34 5466 35 6186 36 6426 37 7224 38 7477 39 8356 40 8620 41 9582 42 9878 43 10929 44 11261 45 12405 46 12774 47 14014 48 14422