[seqfan] A171228 (?)

[zak seidov]

Does anyone understand this?
I wrote to author but didn't get answer.

%S A171228 0,1,2,9,4,25,6,2401,512,81,10,121,12,28561,2744,225,16,289,18,130321,
8000,441,22,148035889,7962624,390625,17576,729,28,841,30,887503681,
33554432,1185921,39304,1225,36,1874161,54872,1521,40,1681,42,3418801
%N A171228 n^nextprime(n).
%F A171228 a(n)=(n-1)^(smallest prime>(n-1)).
%Y A171228 Cf. A013632, A013636.
%K A171228 nonn,new
%O A171228 1,3
%A A171228 Juri-Stepan Gerasimov (2stepan(AT)rambler.ru), Dec 05 2009