A062820 Sum_{k=1..n} p(k)*mu(k).

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

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