A229240 Sorted list of largest values in the quintuple (a,b,c,d,e) satisfying a^2 + b^2 + c^2 + d^2 + e^2 = a*b*c*d*e.

4, 5, 9, 12, 23, 31, 33, 35, 44, 57, 60, 81, 107, 123, 157, 179, 204, 212, 273, 293, 311, 369, 391, 411, 417, 459, 555, 620, 657, 679, 1076, 1115, 1187, 1259, 1275, 1308, 1377, 1453, 1713, 1813, 1979, 2508, 2604, 2673, 2764, 2817, 2885, 3419, 3475, 3804, 3849, 4055, 4139, 4397, 4683, 4969, 6267, 6393, 6439, 7375

Offset

1,1

Links

Table of n, a(n) for n=1..60.

Example

a(1)=4 since (4, 3, 3, 1, 1) is a solution of a^2 + b^2 + c^2 + d^2 + e^2 = a*b*c*d*e.
a(2)=5 since (5, 3, 3, 1, 1) is a solution.
a(3)=9 since (9, 4, 3, 1, 1) is a solution.

Crossrefs

Sequence in context: A239231 A078507 A060199 * A322135 A034705 A006844

Adjacent sequences: A229237 A229238 A229239 * A229241 A229242 A229243

Keyword

nonn

Author

Shanzhen Gao, Sep 17 2013

Extensions

Definition corrected by Ralf Stephan, Sep 18 2013

Status

approved