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%I #6 Jul 20 2021 23:43:44
%S 74,59264,510782,906902,81790664,92776472,10876856041862,
%T 11796926254874,18332259798794,18388650720624,32624670587648,
%U 32699883214248,43103618706398,44916698243804,66132258426302
%N Numbers k such that k concatenated with k-4 gives the product of two numbers which differ by 7.
%e 92776472//92776468 = 96320541 * 96320548, where // denotes concatenation.
%Y Cf. A116119, A116131, A116133, A116205, A116263.
%K nonn,base
%O 1,1
%A _Giovanni Resta_, Feb 06 2006
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