26059

Appears in sequences

• Numbers k such that 4*3^k - 1 is prime.at n=20A005540
• Number of terms in discriminant of generic polynomial of degree n.at n=8A007878
• Truncated square pyramid numbers: a(n) = Sum_{k = n..2*n} k^2.at n=22A050409
• Reversion of y - y^2 - y^3 + y^4 + y^5.at n=10A063032
• Numbers with distinct digits appearing in partition of decimal expansion of e (A001113).at n=40A167836
• a(n) = a(n-1) + a(n-2) + a(n-3), with a(0) = 3, a(1) = 2, a(2) = 5.at n=16A274761