[seqfan] A180268

[Klaus Brockhaus]

%S A180268 988,1612,3172,5332,7852
%N A180268 Numbers n with property that A000203(n)-n-1 is a prime number 
and 2*n+1-A000203(n) is a prime number.

Utterly wrong or some additional condition is missing. I get

4, 10, 30, 42, 60, 70, 78, 102, 138, 186, 198, 216, 222, 228, 240, 246, 
258,
270, 282, 360, 372, 390, 414, 438, 492, 498, 546, 582, 600, 606, 642, 
708, 720,
756, 762, 774, 786, 810, 852, 870, 930, 942, 954, 988, 1002, 1014, 1020, 
1026,
1038, 1068, 1086, 1182, 1266, 1290, 1314, 1362, 1368, 1386, 1398, 1470, 
1542,
1584, 1612, 1626, 1638, 1656, 1680, 1686, 1698, 1710, 1722, 1740, 1794, 1836

which is not in the OEIS.

KB