A160429 First differences of A160428.
8, 56, 56, 392, 56, 392, 392, 2744, 56, 392, 392, 2744, 392, 2744, 2744, 19208, 56, 392, 392, 2744, 392, 2744, 2744, 19208, 392, 2744, 2744, 19208, 2744, 19208, 19208, 134456, 56, 392, 392, 2744, 392, 2744, 2744, 19208, 392, 2744, 2744, 19208, 2744, 19208, 19208
Offset: 1
Keywords
Programs
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PARI
a(n) = 8*7^hammingweight(n-1); \\ Jinyuan Wang, Mar 14 2020
Formula
a(n) = 8 * 7^A000120(n-1) for n>=1.
Extensions
Formula and more terms from Nathaniel Johnston, Nov 14 2010
More terms from Jinyuan Wang, Mar 14 2020