A116180
Numbers k such that k concatenated with k+3 gives the product of two numbers which differ by 7.
Original entry on oeis.org
7137, 7767, 47783068991048776635, 48797525371338932241, 55658688122404752991, 56753136503494828605, 85555875266989354735, 86911515887391841491, 95992713077544748491, 97428345698747155255
Offset: 1
7767//7770 = 8810 * 8817, where // denotes concatenation.
7767//7762 = 8809 * 8818.
7767//7776 = 8811 * 8816.
A116298
n times n+7 gives the concatenation of two numbers m and m+1.
Original entry on oeis.org
6, 699, 776, 790, 867, 42337, 57657, 96883, 44121666, 55878328, 85298137, 36680703009575609347721358493, 63319296990424390652278641501, 69346342454876071597336150481, 81501115172242572470460459683
Offset: 1
85298137 * 85298144 = 72757727//72757728, where // denotes
concatenation.
A116310
n times n+5 gives the concatenation of two numbers m and m+3.
Original entry on oeis.org
2, 4, 88, 3676, 6320, 8786, 48743, 51253, 87617, 3762554, 6237442, 9217100, 3266298274, 3520463764, 6479536232, 6733701722, 8063694648, 8317860138, 4689524709430934474, 5310475290569065522, 7416797436703661747
Offset: 1
A116312
n times n+8 gives the concatenation of two numbers m and m+3.
Original entry on oeis.org
72, 3255, 6738, 9752, 80647887029795095027968358511096470120, 85938613861405938604061385940594061403, 88568679109003015820047566431888549328
Offset: 1
9752 * 9760 = 9517//9520, where // denotes concatenation.
A116319
n times n+7 gives the concatenation of two numbers m and m+4.
Original entry on oeis.org
77, 4328, 5666, 9365, 41505566065992219342, 44035313091289689595, 46429818586950933764, 48959565612248404017, 51040434387751595977, 53570181413049066230, 55964686908710310399, 58494433934007780652
Offset: 1
9365 * 9372 = 8776//8780, where // denotes concatenation.
Showing 1-5 of 5 results.
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