A116181
Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 8.
Original entry on oeis.org
57, 1062, 4545, 9517, 65040816823705919148274557212824575357, 73854453524198329292125744115286819630, 78444109191135472482770868099397646205
Offset: 1
9517//9520 = 9752 * 9760, where // denotes concatenation.
A116175
Numbers k such that k concatenated with k+2 gives the product of two numbers which differ by 9.
Original entry on oeis.org
1122070, 1538990, 3692998, 4422608, 1661985831086046580, 3508493742205242178, 5949206094811297768, 11324756194731856386028, 44020205992737767475178, 55147546334394567747178
Offset: 1
4422608//4422610 = 6650265 * 6650274, where // denotes
concatenation.
A116190
Numbers k such that k concatenated with k+4 gives the product of two numbers which differ by 9.
Original entry on oeis.org
16, 36, 12366, 42036, 64996, 1589736168, 1921234732, 3154856388, 3615437032, 5939192968, 6565302732, 1888656611704713276, 2251541774559900786, 2761459004510103616, 3196921199936328628, 63080834574071218603723158
Offset: 1
A116313
n times n+9 gives the concatenation of two numbers m and m+3.
Original entry on oeis.org
3, 38569, 61423, 88696, 3686022, 6313970, 7223061, 84319381, 98033553, 345087246071675410527410, 403910775483440116409763, 596089224516559883590229, 654912753928324589472582
Offset: 1
98033553 * 98033562 = 96105783//96105786, where // denotes
concatenation.
Showing 1-4 of 4 results.