A077032 Numbers k such that A068340(k)=+/-4.
3, 4, 137, 5023, 5024, 5025, 5030, 5031, 5032
Offset: 1
Links
- Lucas A. Brown, Python program.
Programs
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PARI
isok(k) = abs(sum(i=1, k, i*moebius(i))) == 4; \\ Michel Marcus, Jan 14 2023
Comments