A116102
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 2.
Original entry on oeis.org
16, 1337032, 2084503, 2953232, 4023943, 1330033613070195328, 4036108433661798551, 8283744867954114232, 6247320195351414276186411625291, 9452080202814205132771066881607
Offset: 1
4023943//4023935 = 6343455 * 6343457, where // denotes
concatenation.
A116115
Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 1.
Original entry on oeis.org
58, 1552909498221642960203840517299022287877411846, 1723404686015903064905313664707396376746205762, 2153694542826970975147295558223788704098018912
Offset: 1
58//52 = 76 * 77, where // denotes concatenation.
A116232
n times n+1 gives the concatenation of two numbers m and m-8.
Original entry on oeis.org
63, 74161422624196105800027496, 76141620643998085998047298, 84702909106481760451088979, 86683107126283740649108781, 4050207542676714414981906222839967
Offset: 1
63 * 64 = 40//32, where // denotes concatenation.
A116094
Numbers k such that k concatenated with k-9 gives the product of two numbers which differ by 1.
Original entry on oeis.org
15, 771, 939, 2099721, 2935179, 5235841, 5424812334857206131, 6846608332924813315, 1458115445754267551129074204621, 3821059872421656136462055529015, 5557540612916539470512122318065
Offset: 1
5235841//5235832 = 7235911 * 7235912, where // denotes
concatenation.
Showing 1-4 of 4 results.