A116234
n times n+3 gives the concatenation of two numbers m and m-8.
Original entry on oeis.org
75, 3940697271069731588503127963131864400305034239, 4151390954867901940837042502762708788079731026, 4640791465716781132715600310864305127175798261
Offset: 1
75 * 78 = 58//50, where // denotes concatenation.
A116242
Numbers k such that k*(k+6) gives the concatenation of two numbers m and m-7.
Original entry on oeis.org
8871, 9008, 83352839, 99000098, 329767122285, 670232877710, 738226276370, 933006600338, 999000000998, 3779410975143112, 3872816717528064, 4250291784692547, 4278630943941864, 4372036686326816, 4749511753491299
Offset: 1
99000098 * 99000104 = 98010199//98010192, where // denotes concatenation.
A116253
n times n+3 gives the concatenation of two numbers m and m-5.
Original entry on oeis.org
96012, 3812029082958589067221817215313, 6187970917041410932778182784685, 3189731673290266386838927279556315881
Offset: 1
96012 * 96015 = 92185//92180, where // denotes concatenation.
A116110
Numbers k such that k concatenated with k-7 gives the product of two numbers which differ by 3.
Original entry on oeis.org
55, 5255, 6295, 75511, 92137, 5551405, 7943911, 1257669432489239675, 2148743977942130765, 2877834685014859837, 4164942361780146967, 10235898967817894552965, 15389481849681116007757
Offset: 1
Showing 1-4 of 4 results.