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A048971 Let d(n) = number of distinct primes dividing n (A001221); sequence gives t such that d(t)=d(t+1)=...=d(t+n-1) is a run of record length. 3
1, 14, 54, 91, 323, 44360, 48919, 218972, 534078, 2699915, 3355906, 17233173 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..12.

EXAMPLE

54, 55, 56, 57, 58 is a run of length 5 in A001221 all with d = 2.

CROSSREFS

Monotonic subsequence of A048932. Cf. A048972.

Sequence in context: A240811 A118856 A118530 * A299646 A006597 A304294

Adjacent sequences:  A048968 A048969 A048970 * A048972 A048973 A048974

KEYWORD

more,nonn

AUTHOR

N. J. A. Sloane, Enoch Haga

EXTENSIONS

More terms from Sam Handler (sam_5_5_5_0(AT)yahoo.com), Sep 04 2006

STATUS

approved

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Last modified June 24 17:11 EDT 2021. Contains 345417 sequences. (Running on oeis4.)