for loop to show all alternatives

i need to write for loop to print all the alternatives such as.

i have N nodes (10) and need to store all their alternatives in an array is K (4);

1 2 3 4; 1 2 3 5; 1 2 3 6; 1 2 3 7; 1 2 3 8; 1 2 3 9; 1 2 3 10; 1 2 4 5; 1 2 4 6; 1 2 4 7; 1 2 4 8; 1 2 4 9; 1 2 4 10; . . . . thanks & BR

[Oleg Komarov]

Is a for loop mandatory?

Answer 1

[Oleg Komarov]

nchoosek(1:10,4)