104653
domain: N
Appears in sequences
- Strong pseudoprimes to base 2.at n=16A001262
- Strong pseudoprimes to base 4.at n=31A020230
- Strong pseudoprimes to base 18.at n=32A020244
- Strong pseudoprimes to base 21.at n=25A020247
- Strong pseudoprimes to base 34.at n=26A020260
- Strong pseudoprimes to base 38.at n=34A020264
- Strong pseudoprimes to base 42.at n=28A020268
- Strong pseudoprimes to base 47.at n=28A020273
- Strong pseudoprimes to base 67.at n=28A020293
- Strong pseudoprimes to base 84.at n=30A020310
- Strong pseudoprimes to base 87.at n=33A020313
- Strong pseudoprimes to base 94.at n=26A020320
- Lexicographically earliest sequence of pairwise coprime triangular numbers.at n=20A034792
- Euler-Jacobi pseudoprimes: 2^((n-1)/2) == (2 / n) mod n, where (2 / n) is a Jacobi symbol.at n=36A047713
- Pseudoprimes to both base 2 and base 3, i.e., intersection of A001567 and A005935.at n=24A052155
- a(n) = n^4 - n^2 + 1.at n=18A060886
- a(n) is the smallest n-digit strong pseudoprime (in base 2).at n=2A062568
- Triangular numbers which are the product of two primes.at n=27A068443
- Triangular numbers of the form k^2 + k + 1.at n=7A069017
- Pseudoprimes to bases 2 and 7.at n=11A083733