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A268332 Squarefree numbers differing by more than 3 from any other squarefree number. 8
2526, 44405, 47527, 47973, 55779, 72474, 101037, 106327, 106674, 109023, 110107, 133577, 153173, 165574, 183553, 186247, 193026, 196747, 208847, 209674, 212127, 218527, 220209, 234622, 237522, 245149, 261478, 266853, 269953, 308649, 328877, 334522, 342066, 364151, 370785, 375823 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Christopher E. Thompson, Table of n, a(n) for n = 1..1000
MAPLE
SF:= select(numtheory:-issqrfree, [$1..10^6]):
SF[select(i -> SF[i]-SF[i-1]>=4 and SF[i+1]-SF[i]>=4, [$2..nops(SF)-1])]; # Robert Israel, Feb 02 2016
CROSSREFS
Sequence in context: A251918 A111729 A252288 * A369521 A203440 A231968
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified April 22 17:45 EDT 2024. Contains 371906 sequences. (Running on oeis4.)