A120725 Prime sum of squared build up triangular array.

2, 3, 9, 5, 11, 35, 7, 13, 37, 11, 17, 41, 95, 13, 19, 43, 97, 17, 23, 47, 101, 197, 19, 25, 49, 103, 199, 23, 29, 53, 107, 203, 29, 35, 59, 113, 209

Offset

1,1

Links

Table of n, a(n) for n=1..37.

Formula

a(n,m) = Prime[m] + 6*Sum[i^2, {i, 1, n}]

Example

2
3, 9
5, 11, 35
7, 13, 37
11, 17, 41, 95
13, 19, 43, 97
17, 23, 47, 101, 197
19, 25, 49, 103, 199
23, 29, 53, 107, 203
29, 35, 59, 113, 209

Mathematica

t[n_, m_] = Prime[m] + 6*Sum[i^2, {i, 1, n}] a = Table[Table[t[n, m], {n, 0, PrimePi[m]}], {m, 1, 10}] Flatten[a]

Crossrefs

Sequence in context: A176570 A269559 A083173 * A253046 A324576 A109607

Adjacent sequences: A120722 A120723 A120724 * A120726 A120727 A120728

Keyword

nonn

Author

Roger L. Bagula, Aug 18 2006

Status

approved