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A226840 Least prime in a string of exactly n consecutive primes all differing by a square. 3
3, 2, 9547, 255763, 9148351, 189637381, 78793186597, 1312901933341 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

a(9) > 10^14.

LINKS

Table of n, a(n) for n=1..8.

EXAMPLE

The 7 gaps following a(8) = 1312901933341 are the squares 36, 144, 36, 36, 4, 36, 36.

CROSSREFS

Cf. A220697, A226768, A226769.

Sequence in context: A139737 A354386 A036113 * A334885 A318330 A199261

Adjacent sequences: A226837 A226838 A226839 * A226841 A226842 A226843

KEYWORD

nonn

AUTHOR

Giovanni Resta, Jun 19 2013

STATUS

approved

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Last modified December 3 08:18 EST 2022. Contains 358515 sequences. (Running on oeis4.)