26245
domain: N
Appears in sequences
- Numbers that are the sum of 5 nonzero 8th powers.at n=18A003383
- Number of standard paths of length n in composition poset.at n=8A007555
- Positions where A007600 increases.at n=28A007601
- Numbers k such that S(k) = S(k-1) + S(k-2) where S is the Kempner function A002034.at n=4A015047
- Strong pseudoprimes to base 17.at n=17A020243
- a(n) = n*9^n + 1.at n=4A064747
- Sum of the elements in the primitive subsets of the integers 1 to n.at n=14A087078
- Pierpont 3-almost primes. 3-almost primes of form (2^K)*(3^L)+1.at n=12A112797
- a(n) = 729*n + 1.at n=35A158397
- a(n) = 36*n^2 + 1.at n=27A158591
- a(n) = (2*n^3 + 5*n^2 - 17*n)/2.at n=28A162259
- a(n) = 4*3^n + 1.at n=8A199108
- a(n) = 4*9^n+1.at n=4A199562
- a(n) = 4*n^4 + 1.at n=8A211412
- Composite numbers coprime to 6 such that A179382(n) = A000265(n-1), the odd part of n-1.at n=45A225913
- Numbers k such that distances from k to three nearest squares are three perfect squares.at n=12A234335
- Numbers whose square is a fourth power plus a prime.at n=26A236767
- Number of sequences of balls colored with at most n colors such that exactly two balls are of a color seen earlier in the sequence.at n=4A281946
- Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1.at n=29A299708
- Numbers of the form m^2 + 1 that can be expressed in more than one way as j^2 + k^2 with j > k > 1 and gcd(j,k) = 1.at n=15A300166