A213327 Analog of Fermat quotients: a(n) = (round((phi_2)^p)-2)/p, where phi_2 is silver ratio 1+sqrt(2) and p = prime(n).

2, 4, 16, 68, 1476, 7280, 189120, 986244, 27676612, 4346071600, 23696518916, 3930960079760, 120508933265760, 669708812842692, 20814182249890948, 3654563002853231440, 650000099752136709444, 3664265812073801505200, 660535426260570501876228

Offset

1,1

Comments

For similar sequence for base 2, see A007663, for a similar sequence for golden ratio, see A064723.

Links

Table of n, a(n) for n=1..19.

Crossrefs

Cf. A007663, A096060, A146211, A180511, A164740, A222207, A064723, A213328.

Sequence in context: A306979 A358032 A162119 * A192623 A155519 A180391

Adjacent sequences: A213324 A213325 A213326 * A213328 A213329 A213330

Keyword

nonn

Author

Vladimir Shevelev and Peter J. C. Moses, Mar 03 2013

Status

approved