1348903
domain: N
Appears in sequences
- Triangular numbers which are sums of three consecutive primes.at n=29A167788
- Triangular numbers k such that phi(k) is also a triangular number, where phi(k) is the Euler totient function (A000010).at n=8A287472
- Triangular numbers (A000217) with arithmetic derivative (A003415) a palindrome (A002113).at n=16A353217