41699

Appears in sequences

• a(n) = floor(10000*log_2(n)).at n=17A004268
• a(n) = round(10000*log_2(n)).at n=17A004269
• Let p = n-th prime == 7 mod 8; a(n) = sum of quadratic nonresidues mod p that are > p/2.at n=22A282042
• Solution of the complementary equation a(n) = 2*a(n-2) - b(n-2) + n, where a(0) = 3, a(1) = 4, b(0) = 1, and (a(n)) and (b(n)) are increasing complementary sequences.at n=28A295069
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = 1, a(1) = -2, a(2) = -2, a(3) = 1.at n=21A295736
• a(n) = a(n-1) + 3*a(n-2) -2*a(n-3) - 2*a(n-4), where a(0) = -2, a(1) = 0, a(2) = 1, a(3) = 1.at n=20A295859
• Starts of runs of 3 consecutive integers that are Wythoff-Niven numbers (A364006).at n=13A364008