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A034847 a(n) = P(n,4) = 1+4*K(n,4)=1+4*A034780(n). P(n,4) are special primes of 4k+1 form. The relevant values of k are given by A034780. E.g. 5,13 etc. are not in this sequence. +0
2
29, 53, 101, 109, 149, 173, 181, 197, 229, 269, 293, 317, 337, 349, 373, 389, 461, 509, 557, 569, 641, 653, 677, 701, 709, 773, 797, 821, 829, 853, 937, 941, 1013, 1021, 1033, 1061, 1069, 1109, 1117, 1181, 1193 (list; graph; listen)
OFFSET

1,1
CROSSREFS

A034693, A034694, A034780.

Sequence in context: A105406 A124284 A054822 this_sequence A139925 A139877 A044081

Adjacent sequences: A034844 A034845 A034846 this_sequence A034848 A034849 A034850

KEYWORD

nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu)

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Last modified December 4 14:15 EST 2008. Contains 151279 sequences.

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