34221

Appears in sequences

• Binomial transform of Thue-Morse sequence A010059.at n=16A019301
• a(n) is the index of the smallest triangular number containing exactly n 5's.at n=5A048360
• a(n) = (4*n+3)*(4*n+7).at n=45A085027
• 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, 0, 1), (-1, 1, 1), (0, -1, 1), (1, 0, -1), (1, 1, 1)}.at n=8A149790
• a(n) = 100*n^2 + 100*n + 21.at n=18A152161
• a(n) = (3 + 2*n + 6*n^2 + 4*n^3)/3.at n=29A166464
• Monotonic ordering of set S generated by these rules: if x and y are in S and x^2-y^2>0 then x^2-y^2 is in S, and 2 and 3 are in S.at n=25A192648
• Pisot sequence E(8,12), a(n) = floor( a(n-1)^2/a(n-2) + 1/2 ).at n=20A274951