A116270
n times n+8 gives the concatenation of two numbers m and m-3.
Original entry on oeis.org
62, 45211539, 54788454, 78317866, 72388446037855609175404256, 73247326752475247326752671, 75267524732673267524732471, 76126405447292905676080886, 42053270820132695893502981749302
Offset: 1
78317866 * 78317874 = 61336887//61336884, where // denotes
concatenation.
A116140
Numbers k such that k concatenated with k-3 gives the product of two numbers which differ by 9.
Original entry on oeis.org
5, 7403, 8885, 12563, 41675, 54239, 2353623, 2650793, 7717533, 527390351115, 567933643889, 627121279653, 671264212463, 1335723019653517755, 2049430589972661489, 2995303155542192885, 4026214090447622723
Offset: 1
7717533//7717530 = 8784945 * 8784954, where // denotes concatenation.
A116264
n times n+9 gives the concatenation of two numbers m and m-4.
Original entry on oeis.org
76, 4327, 5665, 9364, 41505566065992219341, 44035313091289689594, 46429818586950933763, 48959565612248404016, 51040434387751595976, 53570181413049066229, 55964686908710310398, 58494433934007780651
Offset: 1
9364 * 9373 = 8776//8772, where // denotes concatenation.
A116278
n times n+9 gives the concatenation of two numbers m and m-2.
Original entry on oeis.org
7040, 487249777145, 512750222847, 684330069116
Offset: 1
7040 * 7049 = 4962//4960, where // denotes concatenation.
Showing 1-4 of 4 results.