134945

Appears in sequences

• Numbers k such that (k+1)*phi(k) is a perfect square.at n=38A069952
• Positive numbers y such that y^2 is of the form x^2+(x+137)^2 with integer x.at n=13A157213
• Number of partitions of 2n such that (sum of parts having multiplicity 1) = sum of all other parts.at n=37A240447
• Numbers m such that 2^m == -1/2 (mod m).at n=8A296369
• Composite numbers k such that Pell(k) == -1 (mod k).at n=11A319043