A116116
Numbers k such that k concatenated with k-6 gives the product of two numbers which differ by 2.
Original entry on oeis.org
21, 30, 902406, 959721, 6040059046, 6242406405, 9842410005, 9900249006, 15033519988494, 17250863148969, 22499666270469, 27632040031654, 34182546327286, 37487353123861, 52213551379230, 74230108225630
Offset: 1
9900249006//9900249000 = 9949999500 * 9949999502, where // denotes concatenation.
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.
A116095
Numbers k such that k concatenated with k-9 gives the product of two numbers which differ by 2.
Original entry on oeis.org
2137, 2892, 6369, 12217, 21964, 28233, 42312, 4978977, 9571608, 18642249, 32288908, 96039609, 200037461217, 305526508312, 570666416233, 638912248204, 996003996009, 1846991026584, 3251664327537, 4859838227992
Offset: 1
96039609//96039600 = 97999800 * 97999802, 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.
A116103
Numbers k such that k concatenated with k-8 gives the product of two numbers which differ by 3.
Original entry on oeis.org
58, 1552909498221642960203840517299022287877411846, 1723404686015903064905313664707396376746205762, 2153694542826970975147295558223788704098018912
Offset: 1
58//50 = 75 * 78, where // denotes concatenation.
Showing 1-5 of 5 results.
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