51821
domain: N
Appears in sequences
- Tumbling distance for n-input mappings with 2 steps.at n=7A005947
- Iccanobif numbers: add previous two terms and reverse the sum.at n=14A014258
- Cycle class sequence c(n) (the number of true cycles of length n in which a certain node is included) for zeolite MFI = ZSM-5 Nan[AlnSi96-nO192] starting with a T5 atom.at n=14A019162
- Triangle T read by rows: matrix product of Pascal and Catalan triangle.at n=46A104259
- Numbers n such that P(11*n) is prime where P(n) is the partition number.at n=30A113499
- Binomial transform of [1, 7, 17, 17, 6, 0, 0, 0, ...].at n=20A132117
- Inverse of Fibonacci convolution array A154929.at n=46A154930
- Riordan array (1, (1/(1-x))c(x/(1-x))), c(x) the g.f. of A000108.at n=57A155887
- Consider a number x = concat(a,b). Sequence lists numbers x such that digits of b^a end in x.at n=25A266818
- Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 825", based on the 5-celled von Neumann neighborhood.at n=7A273431