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 A120724 A prime gap as sum of integers triangular array. 0
 2, 3, 5, 5, 7, 11, 7, 9, 13, 11, 13, 17, 23, 13, 15, 19, 25, 17, 19, 23, 29, 37, 19, 21, 25, 31, 39, 23, 25, 29, 35, 43, 29, 31, 35, 41, 49 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS FORMULA a(n,m) = Prime[m] + 2*Sum[i, {i, 1, n}] EXAMPLE 2 3, 5 5, 7, 11 7, 9, 13 11, 13, 17, 23 13, 15, 19, 25 17, 19, 23, 29, 37 19, 21, 25, 31, 39 23, 25, 29, 35, 43 29, 31, 35, 41, 49 MATHEMATICA t[n_, m_] := Prime[m] + 2*Sum[i, {i, 1, n}] a = Table[Table[t[n, m], {n, 0, PrimePi[m]}], {m, 1, 10}] Flatten[a] CROSSREFS Sequence in context: A332286 A156898 A084754 * A117530 A238256 A239277 Adjacent sequences:  A120721 A120722 A120723 * A120725 A120726 A120727 KEYWORD nonn,uned,tabf AUTHOR Roger L. Bagula, Aug 18 2006 STATUS approved

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Last modified November 29 12:24 EST 2021. Contains 349416 sequences. (Running on oeis4.)