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A036339
Concatenation of prime p and nextprime(p) is prime -> cycles of 2 steps possible.
3
467, 941, 13681, 14461, 21787, 22171, 22369, 24049, 24151, 25457, 29333, 37397, 41221, 42467, 43481, 46511, 48023, 54133, 56681, 68699, 75883, 85081, 101341, 103511, 117443, 120193, 126199, 137363, 144323, 145133, 158791, 175853, 181891, 183797
OFFSET
1,1
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Patrick De Geest, Dec 15 1998
EXTENSIONS
Offset corrected and missing 181891 inserted by Sean A. Irvine, Oct 26 2020
STATUS
approved