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A118132 Triangle read by rows n>=0: the largest prime <= m^n+2 in columns m=3..n+3. 0
3, 5, 5, 11, 17, 23, 29, 61, 127, 211, 83, 257, 619, 1297, 2399, 241, 1021, 3121, 7759, 16787, 32749, 727, 4093, 15619, 46649, 117643, 262139, 531383, 2179, 16381, 78121, 279919, 823541, 2097143, 4782971, 9999991, 6563, 65537, 390581, 1679609 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..39.

FORMULA

a(n,m) = A007917(m^n+2) .

EXAMPLE

The triangle starts in row n=0 as:

3;

5, 5 ;

11, 17, 23 ;

29, 61, 127, 211 ;

83, 257, 619, 1297, 2399 ;

241, 1021, 3121, 7759, 16787, 32749 ;

727, 4093, 15619, 46649, 117643, 262139, 531383 ;

2179, 16381, 78121, 279919, 823541, 2097143, 4782971, 9999991 ;

MATHEMATICA

f[n_, m_] := If[PrimeQ[n^m + 2], n^m + 2, Prime[PrimePi[n^m + 2]]] a = Table[Table[f[n, m], {n, 3, m + 3}], {m, 0, 9}] c = Flatten[a]

CROSSREFS

Sequence in context: A317650 A240731 A266505 * A089167 A188345 A028265

Adjacent sequences:  A118129 A118130 A118131 * A118133 A118134 A118135

KEYWORD

nonn,tabl

AUTHOR

Roger L. Bagula, May 13 2006

EXTENSIONS

Definition simplified, formula simplified by Assoc. Eds. of the OEIS, Jun 15 2010

STATUS

approved

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Last modified April 20 04:42 EDT 2019. Contains 322294 sequences. (Running on oeis4.)