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

Author

K. D. Bajpai, May 22 2015

Keywords

• nonn
• easy

Examples

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

Links

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

Crossrefs

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

Programs

Mathematica

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

PARI

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

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