23898

Appears in sequences

• a(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.at n=38A014203
• a(n) = Sum_{i,j,k in Z and i^2 + j^2 + k^2 <= n} i^2 + j^2 + k^2.at n=39A014203
• Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MTT = ZSM-23 Nan[AlnSi24-nO48] starting with a T1 atom.at n=13A019186
• Numbers k such that prime(k+1)^2 == prime(k)^2 (mod k).at n=31A067783
• Row sums from A144562.at n=27A144640
• Number of n X 6 arrays of the minimum value of corresponding elements and their horizontal or diagonal neighbors in a random, but sorted with lexicographically nondecreasing rows and nonincreasing columns, 0..1 n X 6 array.at n=16A220030
• Number of ways of writing n as the sum of 7 triangular numbers.at n=47A226252
• Number of length n+3 0..2 arrays with no pair in any consecutive four terms totalling exactly 2.at n=24A246473
• Numbers k such that R_(k+2) - 10^k is prime, where R_k = 11...1 is the repunit (A002275) of length k.at n=9A256912