A123388 - OEIS

A123388

Prime numbers with exactly four partitions into a square and cube.

65537, 93241, 191969, 1486873, 1632457, 1800361, 1837097, 2365289, 3516137, 3543193, 4118201, 5695777, 6002641, 8704601, 9620297, 10098721, 10990169, 11016953, 12131297, 15222257, 18426313, 18630361, 19880857, 20381761

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OFFSET

1,1

LINKS

Table of n, a(n) for n=1..24.

FORMULA

p=a^2+b^3 for four different pairs {a,b}.

EXAMPLE

{ p {a1,b1}..{a4,b4} }

{65537,{122,37},{219,26},{255,8},{256,1}}

{93241,{46,45},{171,40},{267,28},{305,6}}

{191969,{399,32},{435,14},{437,10},{438,5}}

{1486873,{73,114},{438,109},{1153,54},{1215,22}}

{1632457,{477,112},{910,93},{1239,46},{1277,12}}

{1800361,{269,120},{998,93},{1188,73},{1305,46}}

{1837097,{256,121},{1075,88},{1319,46},{1335,38}}

{2365289,{642,125},{1017,110},{1517,40},{1530,29}}

CROSSREFS

Sequence in context: A255323 A351314 A051332 * A070816 A133864 A017695

Adjacent sequences: A123385 A123386 A123387 * A123389 A123390 A123391

KEYWORD

nonn

AUTHOR

Zak Seidov, Oct 13 2006, Oct 15 2006

STATUS

approved