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A291616
Carmichael numbers k such that 2^d == 2^(k/d) (mod k) for all d|k.
1
1105, 294409, 852841, 3828001, 17098369, 118901521, 150846961, 172947529, 186393481, 200753281, 686059921, 771043201, 1001152801, 1207252621, 1269295201, 1299963601, 1632785701, 1772267281, 2301745249, 4215885697, 4562359201, 4765950001, 4897161361
OFFSET
1,1
COMMENTS
Intersection of A002997 and A291601.
LINKS
EXAMPLE
Carmichael number 294409 = 37*73*109 is a term because 2^37 == 2^(73*109) (mod 294409), 2^73 == 2^(37*109) (mod 294409), 2^109 == 2^(37*73) (mod 294409).
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved