30150

Appears in sequences

• a(n) is the concatenation of n and 5n.at n=29A019553
• Multiplicity of highest weight (or singular) vectors associated with character chi_87 of Monster module.at n=46A034475
• Numbers k for which A003415(k) >= A276086(k) > k, where A003415 is the arithmetic derivative and A276086 is the primorial base exp-function.at n=13A351229
• Numbers k such that (A276086(k)/s)^s >= k^(s-1) and A276086(k) <= A003415(k), where A003415 is the arithmetic derivative, A276086 is the primorial base exp-function, and s = bigomega(k).at n=36A370128
• Numbers k such that A322582(k) <= A276086(k) <= A348507(k).at n=44A392602