LINKS
Max Alekseyev, <a href="/A059885/b059885_2.txt">Table of n, a(n) for n = 1..690</a> (first 100 terms from Alois P. Heinz)
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Max Alekseyev, <a href="/A059885/b059885_2.txt">Table of n, a(n) for n = 1..690</a> (first 100 terms from Alois P. Heinz)
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Max Alekseyev, <a href="/A059885/b059885_2.txt">Table of n, a(n) for n = 1..690</a> (first 100 terms from Alois P. Heinz)
Max Alekseyev, <a href="/A059885/b059885_2.txt">Table of n, a(n) for n = 1..676690</a> (first 100 terms from Alois P. Heinz)
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easy,nonn,changed
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Max Alekseyev, <a href="/A059885/b059885_1.txt">Table of n, a(n) for n = 1..676</a> (first 100 terms from Alois P. Heinz)
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Also, number of primitive factors of 3^n - 1 (cf. A218356). - Max Alekseyev, May 03 2022
Max Alekseyev, <a href="/A059885/b059885_1.txt">Table of n, a(n) for n = 1..676</a> (first 100 terms from Alois P. Heinz)
Primitive factors of b^n - 1: A059499 (b=2), this sequence (b=3), A059886 (b=4), A059887 (b=5), A059888 (b=6), A059889 (b=7), A059890 (b=8), A059891 (b=9), A059892 (b=10).
Cf. A000005, A008683, A027376, A057958, A058944, A059499, A059886-A059892, A074477, A143663, A212906, A218356.
Column k=3 of A212957. - _Alois P. Heinz_, Oct 12 2012
Alois P. Heinz, Max Alekseyev, <a href="/A059885/b059885_1.txt">Table of n, a(n) for n = 1..100676</a>
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