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A214711
Positions of 2 in A214710.
2
1, 5, 45, 57, 77, 81, 101, 105, 125, 137, 189, 197, 209, 249, 261, 281, 305, 329, 365, 377, 381, 429, 465, 477, 497, 501, 545, 585, 597, 605, 629, 641, 657, 725, 741, 809, 821, 825, 837, 857, 861, 881, 885, 905, 969, 989, 1049, 1085, 1149, 1161
OFFSET
1,2
LINKS
MATHEMATICA
t=Table[m = 1; While[GCD[n! - m, n!! - m] != 1, m++]; m, {n, 1, 2000}]
Flatten[Position[t, 2]]
CROSSREFS
Cf. A214710.
Sequence in context: A096763 A345398 A341383 * A216767 A288320 A003185
KEYWORD
nonn,easy
AUTHOR
Clark Kimberling, Jul 27 2012
STATUS
approved