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A031931 Upper prime of a difference of 12 between consecutive primes. 1
211, 223, 479, 521, 631, 673, 809, 1009, 1213, 1249, 1319, 1471, 1511, 1523, 1543, 1721, 1801, 1823, 1901, 2081, 2113, 2309, 2411, 2459, 2591, 2633, 2789, 2939, 3061, 3079, 3181, 3203, 3271, 3343, 3359, 3511, 3571, 3671, 3943, 4001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..40.

Index entries for primes, gaps between

CROSSREFS

Sequence in context: A159911 A133959 A133960 * A087833 A096706 A001583

Adjacent sequences:  A031928 A031929 A031930 * A031932 A031933 A031934

KEYWORD

nonn,changed

AUTHOR

Jeff Burch

STATUS

approved

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Last modified May 23 05:24 EDT 2013. Contains 225585 sequences.