A211118
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 27, 75, 125, 23625
Offset: 1
A211134
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 27, 35, 45, 105, 945
Offset: 1
- R. Arce-Nazario, F. Castro, and R. Figueroa, On the number of solutions of Sum_{i = 1..11} 1/x_i = 1 in distinct odd natural numbers, J. Number Theory, 133 (2013), pp. 2036-2046.
- Nechemia Burshtein, All the solutions of the equation Sum_{i=1..11} 1/x_i = 1 in distinct integers of the form x_i = 3^alpha 5^beta 7^gamma, Disc. Math. (2008) Vol. 308, No. 18, 4286-4292. MR2427761 (2009e:11061)
A211119
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 35, 63, 75, 1575
Offset: 1
A211120
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 35, 45, 175, 525
Offset: 1
A211121
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 27, 75, 135, 1575
Offset: 1
A211122
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 35, 45, 225, 315
Offset: 1
A211123
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 35, 63, 105, 225
Offset: 1
A211124
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 35, 45, 147, 1225
Offset: 1
A211125
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 35, 45, 135, 4725
Offset: 1
A211126
One of 17 possible sets of eleven numbers of the form 3^alpha 5^beta 7^gamma whose sum of reciprocals is 1.
Original entry on oeis.org
3, 5, 7, 9, 15, 21, 25, 27, 105, 135, 225
Offset: 1
Showing 1-10 of 15 results.