68635
domain: N
Appears in sequences
- Triangular numbers with sum of digits = 28.at n=17A068132
- Triangular number x such that x + reverse of x is a prime.at n=18A072387
- Number of balanced numbers <= 2^n.at n=39A078662
- Triangular numbers which are sums of 5 consecutive primes.at n=9A173421
- Triangular numbers which become primes when their rightmost digit is removed.at n=41A227936