19186
domain: N
Appears in sequences
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite HEU = Heulandite Ca4[Al8Si28O72].24H2O starting with a T4 atom.at n=13A019135
- Numbers m such that numerator of Sum_{k=1..m} 1/(prime(k)-k) is prime.at n=49A092065
- Number of (n+1) X 2 0..3 arrays containing all values 0..3 with every 2 X 2 subblock having two or three distinct values, and new values 0..3 introduced in row major order.at n=3A210313
- Number of (n+1)X5 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order.at n=0A210316
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order.at n=6A210320
- T(n,k)=Number of (n+1)X(k+1) 0..3 arrays containing all values 0..3 with every 2X2 subblock having two or three distinct values, and new values 0..3 introduced in row major order.at n=9A210320
- Positions of 2's in A264977; positions of 3's in A277330.at n=54A277712