135033

Appears in sequences

• Numbers k such that 173*2^k+1 is prime.at n=5A032463
• One half of the y members of the positive proper solutions (x = x2(n), y = y2(n)) of the second class for the Pell equation x^2 - 2*y^2 = +7^2.at n=6A275796
• Values of m such that m^2 + 6 is a triangular number (A000217).at n=20A276600