A016020 Least k such that (tau(k^4)+3)/4=n.
1, 2, 4, 8, 16, 32, 6, 128, 256, 512, 1024, 12, 4096, 8192, 16384, 32768, 24, 131072, 262144, 524288, 36, 48, 4194304, 8388608, 16777216, 33554432, 96, 134217728, 268435456, 72, 1073741824, 30, 4294967296, 8589934592, 17179869184
Offset: 0
Keywords
Extensions
More terms from Robert G. Wilson v, Aug 06 2005
Definition corrected by Vladeta Jovovic, Sep 03 2005
Extended by Ray Chandler, Sep 05 2008