195011

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 77 ones.at n=9A031845
• a(n) = 2*A000129(n) + A000129(n-1) - n.at n=13A129589
• Number of 3n-length 6-ary words, either empty or beginning with the first letter of the alphabet, that can be built by repeatedly inserting triples of identical letters into the initially empty word.at n=5A218476