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%I #9 Mar 03 2014 01:39:58
%S 15,65,80,175,190,240,255,369,384,434,449,544,559,609,624,671,686,736,
%T 751,846,861,911,926,1040,1055,1105,1120,1215,1230,1235,1250,1260,
%U 1270,1275,1280,1285,1290,1295,1300,1305,1315,1345,1360,1474,1489,1519,1529,1534,1539
%N A card-arranging problem: values of n such that there exists a permutation p_1, ..., p_n of 1, ..., n such that i + p_i is a fourth power for every i.
%C 1280 is the first n that has multiple solutions; it has 32. 1285 has 1024 solutions. 1290 has 248832 solutions. - _David Wasserman_, Dec 19 2007
%Y Cf. A006063, A096906.
%K nonn
%O 1,1
%A _Ray Chandler_, Aug 02 2004
%E More terms from _David Wasserman_, Nov 21 2007
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