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A116021 phi(n) plus the n-th prime gives a square. 1
2, 4, 14, 27, 30, 65, 80, 113, 174, 332, 483, 498, 547, 684, 734, 737, 761, 944, 1693, 1855, 2204, 3358, 3461, 3647, 3787, 3908, 4180, 6144, 6915, 7638, 7763, 10249, 10676, 12235, 13359, 14038, 16002, 19736, 21148, 23392, 23899, 24295, 24663 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

phi(332)+p(332)=2401=49^2.

CROSSREFS

Cf. A116092, A116093.

Sequence in context: A047830 A036051 A115626 * A095977 A129744 A148257

Adjacent sequences:  A116018 A116019 A116020 * A116022 A116023 A116024

KEYWORD

nonn

AUTHOR

Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.