A202176 Array read by antidiagonals of covering numbers rho_n(k).

1, 1, 1, 1, 2, 1, 1, 2, 3, 1, 1, 3, 4, 4, 1, 1, 3, 6, 6, 5, 1, 1, 4, 9, 12, 9, 6, 1, 1, 4, 12, 18, 29, 12, 7, 1, 1, 5, 15, 27, 33, 30, 16, 8, 1, 1, 5, 18

Offset: 1

Author

N. J. A. Sloane, Dec 13 2011

Keywords

• nonn
• tabl

Examples

			Array begins:
1 1 1 1 1 1 1 1 1 1 1 ...
1 2 2 3 3 4 4 5 5 6 6 ...
1 3 4 6 9 12 15 18 23 27 32 ...
4 6 12 18 27 [32-38] ...
...
		

Links

• B. Babcock and A. van Tuyl, Revisiting the spreading and covering numbers, arXiv preprint arXiv:1109.5847, 2011

Crossrefs

Row 3 is A202171. Cf. A202175.