A116104
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 4.
Original entry on oeis.org
65, 6653, 9605, 218413, 283720, 996005, 58446925, 99960005, 6086712229, 7385370133, 8478948853, 9999600005, 120178240093, 161171620229, 358247912200, 426843573160, 893417179213, 999996000005, 23376713203604
Offset: 1
9999600005//9999599997 = 9999799999 * 9999800003, where // denotes concatenation.
A116102
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 2.
Original entry on oeis.org
16, 1337032, 2084503, 2953232, 4023943, 1330033613070195328, 4036108433661798551, 8283744867954114232, 6247320195351414276186411625291, 9452080202814205132771066881607
Offset: 1
4023943//4023935 = 6343455 * 6343457, where // denotes
concatenation.
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.
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.
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