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A133397 Triangular array read by rows: T(n,m)=prime(m+1)^n*prime(m)^(n*(n-1)/2) 1
1, 1, 3, 1, 5, 75, 1, 7, 245, 42875, 1, 11, 847, 456533, 1722499009, 1, 13, 1859, 2924207, 50597553721, 9630384192379093, 1, 17, 3757, 10793861, 403139914489, 195739344661245593, 1235503024454233619349733, 1, 19, 6137, 33698267 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..32.

EXAMPLE

{1},

{1, 3},

{1, 5, 75},

{1, 7, 245, 42875},

{1, 11, 847, 456533, 1722499009},

{1, 13, 1859, 2924207, 50597553721, 9630384192379093}

MATHEMATICA

a = Table[Table[If[m == 0, 1, Prime[m + 1]^n*Prime[m]^(n*(n - 1)/2)], {n, 0, m}], {m, 0, 10}]; Flatten[a]

CROSSREFS

Row sums are in A133396.

Sequence in context: A037280 A324204 A168611 * A174424 A298330 A210621

Adjacent sequences:  A133394 A133395 A133396 * A133398 A133399 A133400

KEYWORD

nonn,tabl

AUTHOR

Roger L. Bagula, Nov 20 2007

STATUS

approved

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Last modified May 31 15:41 EDT 2020. Contains 334748 sequences. (Running on oeis4.)