# A090036 (b-file synthesized from sequence entry) 0 1 1 2 2 3 3 6 4 11 5 19 6 30 7 44 8 68 9 112 10 176 11 271 12 411 13 602 14 851 15 1232 16 1783 17 2530 18 3567 19 4996 20 6838 21 9279 22 12463 23 16597 24 21848 25 28227 26 35682 27 44464 28 54597 29 65966 30 78433 31 91725 32 104896 33 116966 34 126335 35 131998 36 133107 37 128720 38 119332 39 106335 40 91545 41 75742 42 60119 43 45840 44 33422 45 23223 46 15140 47 9094 48 5073 49 2605 50 1224 51 528 52 225 53 75 54 20 55 2