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%I #15 Feb 18 2019 02:09:25
%S 4,6,10,14,26,50,74,98,122,242,362,482,722,1442,1682,2522,3362,5042,
%T 10082,15122,20162,30242,40322,50402,55442,90722,100802,110882,166322,
%U 221762,332642,443522
%N Places of records of A188550.
%C Questions:
%C 1) Are there any terms after a(9) which are not of the form 10*k+2?
%C 2) For which primes p do there exist terms in the sequence of the form 2*p^2? The sequence of these primes starts with 5, 7, 11, 19, 29, 41, 71, ...
%Y Cf. A188550, A188579, A188591.
%K nonn,more
%O 1,1
%A _Vladimir Shevelev_, Apr 04 2011
%E More terms from _Alois P. Heinz_, Apr 04 2011
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