19406
domain: N
Appears in sequences
- a(0) = 1, a(n) = 11*n^2 + 2 for n>0.at n=42A010003
- a(n) = n*(4*n^2 - 3*n + 5)/6.at n=30A174723
- Number of (w,x,y,z) with all terms in {0,...,n} and (least gapsize)>1.at n=13A212897
- g_n(16) where g is the weak Goodstein function defined in A266202.at n=19A271992
- Relative of Hofstadter Q-sequence: a(n) = max(0, n+19395) for n <= 0; a(n) = a(n-a(n-1)) + a(n-a(n-2)) + a(n-a(n-3)) for n > 0.at n=14A283886