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A068511 (Product of primes <= n) - 2^(n-1). 3
0, 0, 2, -2, 14, -2, 146, 82, -46, -302, 1286, 262, 25934, 21838, 13646, -2738, 444974, 379438, 9437546, 9175402, 8651114, 7602538, 218898566, 214704262, 206315654, 189538438, 155984006, 88875142, 6201257774, 5932822318, 199486748306, 198413006482, 196265522834, 191970555538 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

LINKS

Table of n, a(n) for n=1..34.

CROSSREFS

Cf. A059794, A068511.

Sequence in context: A057648 A282460 A327930 * A306544 A060590 A129083

Adjacent sequences:  A068508 A068509 A068510 * A068512 A068513 A068514

KEYWORD

sign,easy

AUTHOR

N. J. A. Sloane, Mar 21 2002

EXTENSIONS

More terms from Larry Reeves (larryr(AT)acm.org), Jun 21 2002

STATUS

approved

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Last modified May 27 21:52 EDT 2020. Contains 334671 sequences. (Running on oeis4.)