42051

Appears in sequences

• a(n) = 50*n^2 + 1.at n=28A157916
• Number of binary strings of length n with no substrings equal to 0010 0101 or 0110.at n=16A164492
• Total number of odd parts in the last section of the set of partitions of n.at n=38A206433
• Coefficients in the expansion of ([s] + [2s]x + [3s]x^2 + ...)/([r] + [2r]x + [3r]x^2 + ...); [ ] = floor, r = sqrt(3), s = sqrt(2).at n=42A279629
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1)*b(n), where a(0) = 1, a(1) = 2, b(0) = 3, b(1) = 4, b(2) = 5, and (a(n)) and (b(n)) are increasing complementary sequences.at n=15A296272