Original entry on oeis.org
1, 2, 6, 9, 12, 28, 30, 1811, 1976, 8384, 53760, 243875, 639336, 41381633, 102621357, 7802708751, 7802708752, 178874468632, 1133934949386
Offset: 1
A083791
Prime signatures pertaining to A083788.
Original entry on oeis.org
1, 1, 2, 4, 2, 6, 6, 2, 8, 4, 8, 4, 6, 2, 12, 2, 24, 4, 6, 8, 12, 24, 4, 6, 8, 12, 2, 30, 60, 12, 210, 6, 48, 24, 30, 2, 240, 6, 30, 24, 60, 2, 210, 12, 120, 24, 120, 2, 30, 180, 60, 12, 210, 6, 192, 240, 210, 24, 12, 420, 30, 60, 120, 6, 2, 53760
Offset: 1
a(n) = k where k is the smallest number with the same prime signature as that of A083788(n).
1;
1,2;
4,2,6;
6,2,8,4;
8,4,6,2,12;
2,24,4,6,8,12;
24,4,6,8,12,2,30;
60,12,210,6,48,24,30,2;
240,6,30,24,60,2,210,12,120;
24,120,2,30,180,60,12,210,6,192;
240,210,24,12,420,30,60,120,6,2,53760;
Original entry on oeis.org
1, 1, 2, 4, 5, 6, 6, 7, 8, 9, 8, 9, 10, 11, 12, 23, 24, 25, 26, 27, 28, 24, 25, 26, 27, 28, 29
Offset: 1
A083790
Smallest start of n consecutive numbers with distinct prime signatures.
Original entry on oeis.org
1, 1, 4, 6, 8, 23, 24, 1804, 1968, 8375, 53750, 243864, 639324, 41381620, 102621343, 7802708736, 7802708736, 178874468615, 1133934949368
Offset: 1
A124058 gives another version of the same sequence.
A124058
Smallest of the first occurrence of n consecutive integers with all different prime signatures.
Original entry on oeis.org
2, 3, 4, 6, 8, 23, 24, 1804, 1968, 8375, 53750, 243864, 639324, 41381620, 102621343, 7802708736, 7802708736, 178874468615, 1133934949368
Offset: 1
Joe McCauley (mccauleyj(AT)insightbb.com), Nov 03 2006
a(6) = 23 because it begins the first occurrence of 6 consecutive integers that have all different prime signatures ({1}, {1,3}, {2}, {1,1}, {3}, {1,2} respectively for 23 through 28).
a(12)-a(15) added from
A083790, Nov 10 2006
Showing 1-5 of 5 results.
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