A069459 a(n) = prime(n)^n - 1.

1, 8, 124, 2400, 161050, 4826808, 410338672, 16983563040, 1801152661462, 420707233300200, 25408476896404830, 6582952005840035280, 925103102315013629320, 73885357344138503765448, 12063348350820368238715342, 3876269050118516845397872320, 1271991467017507741703714391418

Offset

1,2

Comments

a(n) = A062457(n) - 1.

Links

G. C. Greubel, Table of n, a(n) for n = 1..300

Example

a(16) = A062457(n) - 1 = A000040(16)^16 - 1 = 53^16-1 =
= 3876269050118516845397872320 =
= 2^6*3^3*5*13*17*281*232073*31129845205681.

Mathematica

Table[Prime[n]^n - 1, {n, 1, 25}] (* G. C. Greubel, Apr 22 2018 *)

Prog

(PARI) for(n=1, 25, print1(prime(n)^n - 1, ", ")) \\ G. C. Greubel, Apr 22 2018
(Magma) [NthPrime(n)^n - 1: n in [1..25]]; // G. C. Greubel, Apr 22 2018

Crossrefs

Cf. A062006, A069460, A069461, A069462, A000040.

Sequence in context: A120957 A302356 A367122 * A254125 A371298 A024282

Adjacent sequences: A069456 A069457 A069458 * A069460 A069461 A069462

Keyword

nonn

Author

Reinhard Zumkeller, Mar 24 2002

Status

approved