131020

Appears in sequences

• 4th level triangle related to Eulerian numbers and binomial transforms (A062254 is third level, A062253 is second level, triangle of Eulerian numbers is first level and triangle with Z(0,0)=1 and Z(n,k)=0 otherwise is 0th level).at n=24A062255
• Numbers n such that (10^(2n+1)+63*10^n-1)/9 is prime.at n=8A107648
• Number of subsets of the initial segment of the natural numbers strictly below n which are not self-measuring. Number of subsets S of [n] with S != distset(S).at n=17A350105