88544
domain: N
Appears in sequences
- a(n) is the smallest integer such that the sum of any three ordered terms a(k), k <= n, is unique.at n=32A051912
- Numbers k such that 20*R_k + 3 is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=22A056656
- Number of (n+1)X(1+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=3A237905
- Number of (n+1)X(4+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=0A237908
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=6A237911
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays with the maximum minus the upper median of every 2X2 subblock differing from its horizontal and vertical neighbors by exactly one.at n=9A237911
- Expansion of e.g.f. exp((x + x^2/2 + x^3/6)/(1-x)).at n=7A361548