A258155 Products of squares of three successive primes.

900, 11025, 148225, 1002001, 5909761, 17631601, 55190041, 160604929, 427538329, 1106427169, 2211538729, 4255083361, 6865945321, 11473194769, 21599886961, 36384418009, 58145123689, 84202691329, 120590202121, 167655034849, 229116352921, 340557446329, 513428138521

Offset

1,1

Links

K. D. Bajpai, Table of n, a(n) for n = 1..10000

Formula

a(n) = A046301(n)^2. - Michel Marcus, May 22 2015

a(n) ~ n^3 log^3 n. - Charles R Greathouse IV, May 22 2015

Example

a(1) = 900 = 2^2 * 3^2 * 5^2;
a(2) = 11025 = 3^2 * 5^2 * 7^2.

Mathematica

Table[Prime[n]^2 Prime[n + 1]^2 Prime[n + 2]^2, {n, 50}]

Prog

(PARI) for( n= 1, 100, k= prime(n)^2 * prime(n+1)^2 * prime(n+2)^2; print1(k, ", "))

Crossrefs

Cf. A000040, A006094, A046301, A152241, A166329.

Sequence in context: A232557 A119541 A173486 * A204320 A204316 A283953

Adjacent sequences: A258152 A258153 A258154 * A258156 A258157 A258158

Keyword

nonn,easy

Author

K. D. Bajpai, May 22 2015

Status

approved