**Binary representation of n interpreted in base p, where p is the smallest prime factor of n: p=A020639(n).**

*1, 2, 4, 4, 26, 6, 57, 8, 28, 10, 1343, 12, 2367, 14, 40, 16, 83522, 18, 130341, 20, 91*

*1 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

Links to OEIS content are included according to The OEIS End-User License Agreement .