80384

Appears in sequences

• a(n) = n^2*(5*n-3)/2.at n=32A006597
• Number of permutations of [ n ] with exactly one 132-pattern and two 123-patterns.at n=10A046718
• Number of partitions of n into Fibonacci parts if each part is of two kinds.at n=31A103577
• Number of walks within N^3 (the first octant of Z^3) starting at (0,0,0) and consisting of n steps taken from {(-1, -1, 0), (-1, 1, 1), (0, 0, 1), (1, -1, 1), (1, 1, -1)}.at n=10A148471
• Somos-4 recurrence with a(0)=1, a(1)=2, a(2)=4, a(3)=16.at n=8A165905
• Numbers of the form p^9*q where p and q are distinct primes.at n=36A179692
• Start of runs of increasing length of consecutive numbers having their Hamming weight A000120 as a substring when both are written in binary.at n=5A343610
• Primitive terms of A388271.at n=39A388272
• Number of integer compositions of n that are the first sums of a unique composition.at n=31A391644