40470
domain: N
Appears in sequences
- Numbers n such that 105*2^n-1 is prime.at n=41A050578
- Triangular numbers that are sums of distinct factorials.at n=6A115647
- Triangular numbers composed of digits {0,4,7}.at n=0A218399
- A290131/2.at n=26A331754
- Triangular numbers that in base 2 have the same number of 0's and 1's.at n=24A345348
- Triangular numbers (A000217) whose second arithmetic derivative (A068346) is also a triangular number.at n=43A351131
- Triangular numbers which are products of five distinct primes.at n=12A357590