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Search: id:A120725
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| A120725 |
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Prime sum of squared build up triangular array. |
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+0
1
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| 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
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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a(n,m) = Prime[m] + 6*Sum[i^2, {i, 1, n}]
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EXAMPLE
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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
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MATHEMATICA
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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]
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CROSSREFS
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Sequence in context: A127198 A065631 A083173 this_sequence A109607 A127612 A038756
Adjacent sequences: A120722 A120723 A120724 this_sequence A120726 A120727 A120728
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KEYWORD
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nonn
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AUTHOR
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Roger Bagula (rlbagulatftn(AT)yahoo.com), Aug 18 2006
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