46513
domain: N
Appears in sequences
- Starting index of a string of exactly 4 consecutive equal digits in decimal expansion of Pi.at n=31A049520
- Numbers n such that n and n+4 are both brilliant numbers (A078972).at n=27A083285
- a(n) = 32*n^2 - 56*n + 25.at n=39A272129
- Composite numbers n such that 2^lpf(n) == 2 (mod n), where lpf(n) = A020639(n).at n=37A276733
- The Euclid tree with root 1 encoded by semiprimes, read across levels.at n=16A295512
- a(n) = n*Fibonacci(n) + ((-1)^n + 1)/2.at n=18A324129
- Table read by rows: row n is the unique primitive Pythagorean triple (a,b,c) such that (a-b+c)/2 = A000217(n) and its long leg and hypotenuse are consecutive natural numbers, n >= 0.at n=53A384329