1198373

Appears in sequences

• Number of cubic residues mod 2^n.at n=21A046630
• Number of cubic residues mod 8^n.at n=7A046636
• Number of integers in {1, 2, ..., 2^n} that are coprime to n.at n=20A074933
• Expansion of 1/(1 - x - x^2 - 2*x^3).at n=21A077947
• Triangle read by rows: row n contains n terms of the arithmetic progression having first term 1 and common difference 2[n^(n-1)-1]/(n-1).at n=30A111568
• a(n) = a(n-3) + 2^(n-4) with a(1) = 1, a(2) = 2, a(3) = 1.at n=23A166578
• a(n) = a(n-1) + a(n-2) + 2*a(n-3) with a(0)=2, a(1)=1, a(2)=5.at n=20A226308
• Number of (n+1) X (1+1) 0..2 arrays with each row and column divisible by 7, read as a base-3 number with top and left being the most significant digits.at n=21A263366