A118124 Triangle T(n,m) = (n+m)^2+n+m+41, read by rows.

41, 43, 47, 47, 53, 61, 53, 61, 71, 83, 61, 71, 83, 97, 113, 71, 83, 97, 113, 131, 151, 83, 97, 113, 131, 151, 173, 197, 97, 113, 131, 151, 173, 197, 223, 251, 113, 131, 151, 173, 197, 223, 251, 281, 313, 131, 151, 173, 197, 223, 251, 281, 313, 347, 383, 151, 173

Offset: 0

Author

Roger L. Bagula, May 12 2006

Keywords

• nonn
• less
• tabl

Comments

Defined to display A005846(d) in the d-th antidiagonal, d sufficiently small.

Examples

			41;
43, 47;
47, 53, 61;
53, 61, 71, 83;
61, 71, 83, 97, 113;
71, 83, 97, 113, 131, 151;
83, 97, 113, 131, 151, 173, 197;
97, 113, 131, 151, 173, 197, 223, 251;
113, 131, 151, 173, 197, 223, 251, 281, 313;
131, 151, 173, 197, 223, 251, 281, 313, 347, 383;
151, 173, 197, 223, 251, 281, 313, 347, 383, 421, 461;
		

Crossrefs

Cf. A014556.

Programs

Mathematica

f[n_] = n^2 + n + 41 t[n_, m_] = f[n + m] a = Table[Table[t[n, m], {n, 0, m}], {m, 0, 10}] c = Flatten[a]

Extensions

Keyword:less and reference to A005846, A014556 added - The Assoc. Eds. of the OEIS, Oct 20 2010