A116174
Numbers k such that k concatenated with k+2 gives the product of two numbers which differ by 8.
Original entry on oeis.org
1143, 4382, 4943, 24941511, 25058558, 94090583, 616729341438, 638432642423, 978717194478, 994009005983, 1636200161363007, 1710661666314798, 1805005185949007, 1906479843038783, 1986790648039982, 3072104679280383
Offset: 1
94090583//94090585 = 97000297 * 97000305, where // denotes concatenation.
94090583//94090592 = 97000298 * 97000304.
A116304
Numbers k such that k*(k+6) gives the concatenation of two numbers m and m+2.
Original entry on oeis.org
8217107, 8030443878983905981, 43467818511541680701794365325328847002051, 56532181488458319298205634674671152997944
Offset: 1
8217107 * 8217113 = 6752089//6752091, where // denotes concatenation.
A116299
n times n+8 gives the concatenation of two numbers m and m+1.
Original entry on oeis.org
40, 53, 40354307, 59645686, 39704957106129738595969799927610, 44505281604832422780051712184759, 45053875613995255103944518907119, 54946124386004744896055481092874, 55494718395167577219948287815234
Offset: 1
59645686 * 59645694 = 35576083//35576084, where // denotes
concatenation.
A116312
n times n+8 gives the concatenation of two numbers m and m+3.
Original entry on oeis.org
72, 3255, 6738, 9752, 80647887029795095027968358511096470120, 85938613861405938604061385940594061403, 88568679109003015820047566431888549328
Offset: 1
9752 * 9760 = 9517//9520, where // denotes concatenation.
A116306
n times n+9 gives the concatenation of two numbers m and m+2.
Original entry on oeis.org
3349727, 3922992, 6077000, 6650265, 4076746044440402197, 5923253955559597795, 7713109680804038561, 33652275100997044455421, 66347724899002955544571, 74261393963751156983420
Offset: 1
6650265 * 6650274 = 4422608//4422610, where // denotes
concatenation.
Showing 1-5 of 5 results.
Comments