A194188 Triangle read by rows in which row n lists the numbers k >= 0 such that n-k and n+k are both odd noncomposite numbers.

0, 1, 0, 2, 1, 3, 0, 2, 1, 5, 0, 4, 6, 3, 5, 2, 4, 8, 3, 7, 9, 0, 6, 8, 1, 5, 7, 11, 0, 6, 10, 3, 9, 2, 4, 8, 14, 3, 13, 15, 0, 6, 12, 14, 1, 5, 11, 13, 0, 12, 18, 3, 9, 17, 2, 8, 10, 16, 20, 9, 15, 19, 21, 0, 6, 18, 20, 5, 7, 13, 17, 19, 23, 6, 12, 18, 22, 3, 15, 21, 4, 10, 14, 16, 20, 26, 9, 15, 25, 0, 12, 18, 24, 1, 7, 11, 13, 17, 23, 29

Offset: 1

Author

Juri-Stepan Gerasimov, Aug 18 2011

Keywords

• nonn
• tabf

Examples

			Triangle begins;
0;
1;
0,2;
1,3;
0,2;
1,5;
0,4,6;
3,5;
2,4,8;
3,7,9;
0,6,8;
1,5,7,11;
		

Crossrefs

Cf. A006005(the odd noncomposite numbers), A027750

Extensions

Corrected by R. J. Mathar Aug 27 2011