27433728
domain: N
Appears in sequences
- Number of 6-ary Lyndon words of length n with trace 0 and subtrace 2 over Z_6.at n=12A074424
- Number of 6-ary Lyndon words of length n with trace 0 and subtrace 4 over Z_6.at n=12A074426
- Number of 6-ary Lyndon words of length n with trace 1 and subtrace 2 over Z_6.at n=12A074430
- Number of 6-ary Lyndon words of length n with trace 1 and subtrace 4 over Z_6.at n=12A074432
- Number of 6-ary Lyndon words of length n with trace 2 and subtrace 2 over Z_6.at n=12A074436
- Number of 6-ary Lyndon words of length n with trace 2 and subtrace 4 over Z_6.at n=12A074438
- Number of 6-ary Lyndon words of length n with trace 3 and subtrace 2 over Z_6.at n=12A074442
- Number of 6-ary Lyndon words of length n with trace 3 and subtrace 4 over Z_6.at n=12A074444
- a(n) = Product_{d|n} (tau(d)*sigma(d)) where tau(k) = the number of divisors of k (A000005) and sigma(k) = the sum of the divisors of k (A000203).at n=19A324987