最小集合

northwolves

王守恩 发表于 2025-12-2 10:11
a (1) = 1, {1},
a (2) = 2, {1, 2},
a (5) = 3, {2, 3, 4},

{56,7,{1,4,7,19,27,28,29}}
{57,7,{2,5,8,20,28,29,30}}
{58,7,{3,6,9,21,29,30,31}}
{59,7,{4,7,10,22,30,31,32}}
{60,7,{5,8,11,23,31,32,33}}
{61,7,{6,9,12,24,32,33,34}}
{62,7,{1,7,22,25,33,34,35}}
{63,7,{2,8,23,26,34,35,36}}
{64,7,{3,9,24,27,35,36,37}}
{65,7,{4,10,25,28,36,37,38}}
{66,7,{5,11,26,29,37,38,39}}
{67,7,{6,12,27,30,38,39,40}}
{68,7,{7,13,28,31,39,40,41}}
{69,7,{8,14,29,32,40,41,42}}
{70,7,{9,15,30,33,41,42,43}}
{71,7,{10,16,31,34,42,43,44}}
{72,7,{11,17,32,35,43,44,45}}
{73,7,{12,18,33,36,44,45,46}}
{74,7,{13,19,34,37,45,46,47}}
{75,7,{14,20,35,38,46,47,48}}