35842

Appears in sequences

• Integers k such that the k-th triangular number t_k has all its base-12 digits contained in {1,5,7,11}.at n=13A118711
• 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), (-1, 1, -1), (0, 1, 1), (1, -1, 0)}.at n=11A148259
• First differences of A163891.at n=26A163893
• a(1)=a(2)=a(3)=1, a(4)=3; thereafter a(n) = a(n-1) + a(n-3).at n=28A179070
• Number of maximal sum-free and product-free subsets of {1..n}.at n=39A326497
• 2nd row of the 3-Zeckendorf array (A136189), including prepended terms.at n=29A372760