# A055365 Number of asymmetric mobiles (circular rooted trees) with n nodes and 4 leaves. # Table n, a(n) generated with PARI in A055363 by Georg Fischer Mar 15 2022 6 1 7 5 8 19 9 53 10 130 11 280 12 556 13 1024 14 1788 15 2971 16 4752 17 7338 18 11013 19 16099 20 23020 21 32249 22 44390 23 60109 24 80234 25 105670 26 137520 27 176979 28 225479 29 284562 30 356049 31 441890 32 544360 33 665883 34 809258 35 977455 36 1173871 37 1402098 38 1666212 39 1970508 40 2319825 41 2719248 42 3174469 43 3691454 44 4276843 45 4937579 46 5681350 47 6516178 48 7450903 49 8494732 50 9657768 51 10950514 52 12384450 53 13971492 54 15724617 55 17657275 56 19784065 57 22120097 58 24681722 59 27485842 60 30550694 61 33895108 62 37539348 63 41504313 64 45812438 65 50486838 66 55552269 67 61034213 68 66959902 69 73357341 70 80256398 71 87687763 72 95684104 73 104278962 74 113507976 75 123407709 76 134016945 77 145375446 78 157525321 79 170509712 80 184374238 81 199165607 82 214933138 83 231727297 84 249601297 85 268609558 86 288809388 87 310259362 88 333021087 89 357157500 90 382734717 91 409820248 92 438484933 93 468801071 94 500844446 95 534692368 96 570425789 97 608127256 98 647883120 99 689781396 100 733914068 101 780374856 102 829261617 103 880674017 104 934716031 105 991493517 106 1051116818 107 1113698236 108 1179354736 109 1248205320 110 1320373836 111 1395986247 112 1475173548 113 1558068930 114 1644810805 115 1735539863 116 1830402208 117 1929546305 118 2033126230 119 2141298505 120 2254225462 121 2372071966 122 2495008896 123 2623209751 124 2756854251 125 2896124826 126 3041210337 127 3192302446 128 3349599460 129 3513302579