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.
A116248
n times n+4 gives the concatenation of two numbers m and m-6.
Original entry on oeis.org
7310, 8989, 32522, 67475, 76566, 4891728, 5108269, 8528092, 71588334, 98999899, 399659933005, 600340066992, 723627738225, 877712329766, 998999998999, 3485626998112, 3787100274612, 6212899725385, 6514373001885
Offset: 1
98999899 * 98999903 = 98009803//98009797, where // denotes
concatenation.
A116252
n times n+2 gives the concatenation of two numbers m and m-5.
Original entry on oeis.org
80, 8156, 9800, 467346, 532653, 998000, 76450588, 99980000, 7801738414, 8593817622, 9208120792, 9999800000, 346667333466, 401461854014, 598538145985, 653332666533, 945207479452, 999998000000, 48349470735059
Offset: 1
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.
Showing 1-5 of 5 results.