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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; internal format)
OFFSET

1,1

CROSSREFS

Cf. A027384.

Sequence in context: A039669 A109622 A124286 * A116969 A131090 A178615

Adjacent sequences:  A027416 A027417 A027418 * A027420 A027421 A027422

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Olivier Gerard Nov 15 1997

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Last modified February 15 03:33 EST 2012. Contains 205694 sequences.