21998
domain: N
Appears in sequences
- Fibonacci iteration starting with (1, a(n)) leads to a "nine digits anagram".at n=36A034587
- Numbers whose anti-divisors sum to a perfect cube.at n=28A109351
- Site series for first parallel moment of Kagome lattice.at n=14A120550
- Number of fusenes with 25 hexagons, C_(2v) symmetry and containing n carbon atoms.at n=11A123598
- Partial sums of the number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 291", based on the 5-celled von Neumann neighborhood.at n=32A271131
- Sum of the sixth largest parts of the partitions of n into 10 parts.at n=45A326593
- Expansion of g/(1 - x*g^2)^2, where g = 1+x*g^4 is the g.f. of A002293.at n=6A390237