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A358619
First forward difference of A258037.
2
1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2
OFFSET
1,3
COMMENTS
Conjecture: All terms belong to {1, 2, 3}. See third comment in A258037.
MATHEMATICA
nn = 210; p = Prime@ Range@ nn; t = Table[ Differences[p, n][[1]], {n, 0, nn - 1}]; s = Select[ Range@ nn, t[[#]] > 0 &]; d = Differences@ s
CROSSREFS
Sequence in context: A270969 A361338 A241927 * A297033 A342227 A194318
KEYWORD
easy,nonn
AUTHOR
STATUS
approved