75241

Appears in sequences

• Centered cube numbers: n^3 + (n+1)^3.at n=33A005898
• Strong pseudoprimes to base 13.at n=20A020239
• Strong pseudoprimes to base 33.at n=19A020259
• Strong pseudoprimes to base 34.at n=21A020260
• Strong pseudoprimes to base 38.at n=30A020264
• Strong pseudoprimes to base 49.at n=25A020275
• Strong pseudoprimes to base 60.at n=24A020286
• Strong pseudoprimes to base 89.at n=28A020315
• Semiprime centered cube numbers: m^3 + (m+1)^3.at n=10A180082
• Number of 5-bead necklaces labeled with numbers -n..n allowing reversal, with sum zero and first and second differences in -n..n.at n=36A208972
• Euler pseudoprimes to base 7: composite integers such that abs(7^((n - 1)/2)) == 1 mod n.at n=34A262054