A116247
n times n+2 gives the concatenation of two numbers m and m-6.
Original entry on oeis.org
45, 54, 949950, 979653, 7771781678, 7900890079, 9920892099, 9949999500, 38773083432316, 41534158410841, 47433813119407, 52566186880592, 58465841589158, 61226916567683, 72258945037434, 86156896546724
Offset: 1
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.
A116251
n times n+1 gives the concatenation of two numbers m and m-5.
Original entry on oeis.org
8, 74, 7249, 7934, 86897, 95988, 7450775, 8912862, 3546363535354546354, 4635454646463635464, 5364545353536364536, 6453636464645453646, 31993591495513432827264, 39229430087220380122376
Offset: 1
8912862 * 8912863 = 7943911//7943906, where // denotes
concatenation.
Showing 1-4 of 4 results.