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A258155 Products of squares of three successive primes. 1
900, 11025, 148225, 1002001, 5909761, 17631601, 55190041, 160604929, 427538329, 1106427169, 2211538729, 4255083361, 6865945321, 11473194769, 21599886961, 36384418009, 58145123689, 84202691329, 120590202121, 167655034849, 229116352921, 340557446329, 513428138521 (list; graph; refs; listen; history; text; internal format)
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

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Last modified August 8 14:36 EDT 2020. Contains 336298 sequences. (Running on oeis4.)