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A027419 Number of distinct products ij with 0 <= i, j <= n-th prime. 0
4, 7, 15, 26, 54, 73, 115, 143, 200, 297, 340, 461, 559, 619, 731, 904, 1098, 1178, 1393, 1556, 1652, 1912, 2103, 2391, 2785, 3008, 3150, 3392, 3535, 3789, 4647, 4941, 5363, 5555, 6299, 6495, 6963, 7481, 7864, 8403, 8968, 9196, 10115, 10364 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..44.

MAPLE

seq(A027384(ithprime(n)), n=1..40) ; # R. J. Mathar, Jun 09 2016

CROSSREFS

Cf. A027384.

Sequence in context: A124286 A235603 A295728 * A301204 A116969 A131090

Adjacent sequences:  A027416 A027417 A027418 * A027420 A027421 A027422

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane.

EXTENSIONS

More terms from Olivier Gérard Nov 15 1997

STATUS

approved

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Last modified May 9 07:56 EDT 2021. Contains 343692 sequences. (Running on oeis4.)