A116233
n times n+2 gives the concatenation of two numbers m and m-8.
Original entry on oeis.org
12, 3656544, 4565635, 5434364, 6343455, 3646962589704198388, 6353037410295801611, 9101508044249652934, 7903999111431765764698711045777, 9722180929613583946516892863959
Offset: 1
6343455 * 6343457 = 4023943//4023935, where // denotes
concatenation.
A116101
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 1.
Original entry on oeis.org
40, 54999166056446260156057520, 57975463942945155043148110, 71745828111009107426351428, 75139610610667830220414750, 1640418113875534941913761115401064
Offset: 1
40//32 = 63 * 64, where // denotes concatenation.
A116246
n times n+1 gives the concatenation of two numbers m and m-6.
Original entry on oeis.org
76, 3940697271069731588503127963131864400305034240, 4151390954867901940837042502762708788079731027, 4640791465716781132715600310864305127175798262
Offset: 1
76 * 77 = 58//52, where // denotes concatenation.
A116225
n times n+1 gives the concatenation of two numbers m and m-9.
Original entry on oeis.org
12, 878, 969, 4582271, 5417729, 7235911, 7365332534826384966, 8274423443917294057, 3818527786666305707333509337803, 6181472213333694292666490662197, 7454891423029942070969872974167
Offset: 1
7235911 * 7235912 = 5235841//5235832, where // denotes
concatenation.
Showing 1-4 of 4 results.