[seqfan] dozens and dozens of primes
Don Reble
djr at nk.ca
Wed Apr 24 00:34:46 CEST 2013
Seqfans:
A recent thread in alt.math.recreational led me to compute
3890238499147
9915870037073
64079920723819
81529417342373
82003690850081
196567029978319
333035078479103
389232355162651
536325795722717
592417430291687
762892083400447
1340200776247333
1822594046095823
1828302878320919
2038521512700673
2190851109217771
2450772547133911
2480153401382657
2636345101803413
2877256839149693
2911670604513671
3023547216682993
3445740889067477
3738017430736589
4296896361608851
4870159991425729
5480409372625187
5516630825899193
5590105666388243
5785701695392619
6298831704692527
6424944692437271
6857098442965771
6912074928351593
7439998977339929
7921371911335883
8002839051800593
9269510856739133
9599077576251163
9828074700414971
9958701173419999
10283681513946841
10355900121243677
11466930582234127
11529351549668953
11809276001840317
12451493519117653
12469346163573299
Today's puzzle: what's this sequence? (Subject line is clue;
answer is below.)
Does it belong in the OEIS?
--
Don Reble djr at nk.ca
Numbers n such that n +
{-180,-150,-120,-90,-60,-30,+30,+60,+90,+120,+150,+180}
are all prime.
--
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