References to A116208

Numbers n such that n concatenated with n+7 gives the product of two numbers which differ by 6.
145, 384, 505, 820, 7680, 20665, 29748, 480340, 6694209, 77854665, 107541513


2 seqfan posts

Sun Feb 15 11:44:58 CET 2009    [seqfan] Re: Sequence A031702
Sun Feb 15 09:29:20 CET 2009    [seqfan] Sequence A031702

Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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