A116147
Numbers k such that k concatenated with k-2 gives the product of two numbers which differ by 9.
Original entry on oeis.org
4962, 237412345332, 262912791034, 468307643502
Offset: 1
4962//4960 = 7040 * 7049, where // denotes concatenation.
A116277
n times n+8 gives the concatenation of two numbers m and m-2.
Original entry on oeis.org
65, 738, 892, 755003, 789545, 3643102, 6356891, 9084164, 405460897734702722, 416974886220714236, 583025113779285757, 594539102265297271, 920312382883217574, 931826371369229088, 4330823773309769374
Offset: 1
9084164 * 9084172 = 8252210//8252208, where // denotes
concatenation.
A116271
n times n+9 gives the concatenation of two numbers m and m-3.
Original entry on oeis.org
4, 8600, 9422, 35440, 64552, 73643, 4851411, 5148581, 8784945, 726216462984, 753613723258, 791909893641, 819307153915, 3654754464602947512, 4527063717215234298, 5472936282784765694, 6345245535397052480
Offset: 1
8784945 * 8784954 = 7717533//7717530, where // denotes
concatenation.
A116284
n times n+9 gives the concatenation of two numbers m and m-1.
Original entry on oeis.org
32, 60, 804, 4778, 5214, 7406, 48208886, 51791106, 77620651, 4291816088, 4482541430, 5517458562, 5708183904, 9036996876, 9737360643, 3579205562000136225339579331, 3939042613182345526485238179
Offset: 1
Showing 1-4 of 4 results.
Comments