20982
domain: N
Appears in sequences
- Number of sum-free subsets of {1, ..., n}.at n=22A007865
- Starting positions of strings of three 5's in the decimal expansion of Pi.at n=18A083620
- Averages of twin prime pairs of the form : sum of two or more consecutive squares.at n=16A174716
- Number of 0..3 arrays x(0..n-1) of n elements with each no smaller than the sum of its two previous neighbors modulo 4.at n=9A207095
- Numbers n such that n-19, n-1, n+1 and n+19 are consecutive primes.at n=0A262668
- Number of partitions of n whose greatest part is a multiple of 5.at n=46A363047