A130134 Even terms in A015922.
2, 4, 8, 248, 17608, 90148, 106978, 253828, 364808, 1642798, 1926088, 6176264, 21879938, 30484408, 34634428, 96593698, 134396408, 223622468, 283585928, 327327388, 457961188, 809965148, 1709420344, 1815124028, 2164392968, 2360006456, 2431619908, 2500777828, 2922255548, 3888155428, 5672481928
Offset: 1
Keywords
Links
- Max Alekseyev, Table of n, a(n) for n = 1..314 (all terms below 10^15)
Programs
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PARI
isok(n) = !(n % 2) && (Mod(2^n, n) == Mod(8, n)); \\ Michel Marcus, Oct 13 2013
Extensions
a(8)-a(9) from Michel Marcus, Oct 13 2013
Terms a(10) onward from Max Alekseyev, Oct 11 2016
Comments