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

0,1

Comments

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

Links

Table of n, a(n) for n=0..56.

Example

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;

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]

Crossrefs

Cf. A014556.

Sequence in context: A041839 A098064 A073921 * A054057 A282319 A257362

Adjacent sequences: A118121 A118122 A118123 * A118125 A118126 A118127

Keyword

nonn,less,tabl

Author

Roger L. Bagula, May 12 2006

Extensions

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

Status

approved