19485
domain: N
Appears in sequences
- Numerator of n*(n-3)*(3*n^2-6*n+2)/(3*(n-1)*(n-2)).at n=15A023417
- Numbers k that can be expressed as k = w + x = y*z with w*x = y^2 + z^2 where w, x, y, and z are all positive integers.at n=17A057373
- a(n) = 729*n - 198.at n=26A156772
- A156977/3.at n=32A164565
- Expansion of 1/((1-x)^3*(1-11x)).at n=4A229611
- Expansion of Sum_{p prime, i>=1} p^i*x^(p^i)/(1 - x^(p^i)) / Product_{j>=1} (1 - x^j).at n=22A281906
- Number of fully chiral integer partitions of n.at n=38A330228
- For the numbers k that can be expressed as k = w+x = y*z with w*x = (y+z)^2 where w, x, y, and z are all positive integers, this sequence gives the corresponding values of y+z.at n=46A343860
- Index where prime(n) appears as a term in A379248.at n=50A379290