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A361396
Integers k such that 28*phi(29*197^3*k) is not a totient number where phi is the totient function.
0
1, 2, 3, 4, 6, 7517, 15034, 18059, 22551, 28019, 30068, 30983, 36118, 45102, 56038, 61966, 65267, 67427, 67499, 71387, 84057, 84947, 90677, 92949, 97187, 112076, 115469, 123932, 127487, 130534, 130787, 134854, 134998, 142774, 168114, 169067, 169894, 181354, 185898, 191579, 194374, 195801
OFFSET
1,2
COMMENTS
For k=1, A000010(29*197^3) = 212983792 = A361058(28).
PROG
(PARI) isok(k) = ! istotient(28*eulerphi(29*197^3*k));
CROSSREFS
KEYWORD
nonn
AUTHOR
Michel Marcus, Mar 10 2023
STATUS
approved