A062820 - OEIS

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A062820

Sum_{k=1..n} p(k)*mu(k).

0

2, -1, -6, -6, -17, -4, -21, -21, -21, 8, -23, -23, -64, -21, 26, 26, -33, -33, -100, -100, -27, 52, -31, -31, -31, 70, 70, 70, -39, -152, -279, -279, -142, -3, 146, 146, -11, 152, 319, 319, 140, -41, -232, -232, -232, -33, -244, -244, -244, -244, -11, -11, -252, -252, 5, 5, 274, 545, 268, 268, -15, 278, 278

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

LINKS

Table of n, a(n) for n=1..63.

PROG

(PARI) j=[]; for(n=1, 100, j=concat(j, sum(k=1, n, prime(k)*moebius(k)))); j

CROSSREFS

Sequence in context: A371598 A117753 A145883 * A113336 A113979 A053442

Adjacent sequences: A062817 A062818 A062819 * A062821 A062822 A062823

KEYWORD

sign

AUTHOR

Jason Earls, Jul 20 2001

STATUS

approved