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URL: https://oeis.org/history?seq=A217286

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Showing entries 1-10 | older changes
Larger of pairs of emirps (A006567) whose difference with the (smaller) reversal is a triangular number (A000217).
#31 by Harvey P. Dale at Mon Jan 30 19:31:38 EST 2023
STATUS
#30 by Harvey P. Dale at Mon Jan 30 19:31:35 EST 2023
MATHEMATICA
STATUS
#29 by Harvey P. Dale at Mon Jan 30 19:31:17 EST 2023
STATUS
#28 by Harvey P. Dale at Mon Jan 30 19:31:14 EST 2023
MATHEMATICA
#27 by Harvey P. Dale at Mon Jan 30 19:29:38 EST 2023
MATHEMATICA
STATUS
#26 by OEIS Server at Thu Oct 04 18:23:22 EDT 2012
LINKS
#25 by Alois P. Heinz at Thu Oct 04 18:23:22 EDT 2012
STATUS
Discussion
Thu Oct 04
18:23
OEIS Server: Installed new b-file as b217286.txt. Old b-file is now b217286_1.txt.
#24 by Alois P. Heinz at Thu Oct 04 18:21:26 EDT 2012
LINKS
STATUS
Discussion
Thu Oct 04
18:23
Alois P. Heinz: There was an old incorrect b-file.
#23 by Alois P. Heinz at Thu Oct 04 06:54:33 EDT 2012
STATUS
#22 by Alois P. Heinz at Thu Oct 04 06:53:57 EDT 2012
FORMULA
STATUS
Discussion
Thu Oct 04
06:54
Alois P. Heinz: Thanks.