170941

Appears in sequences

• Strong pseudoprimes to base 61.at n=30A020287
• Expansion of exp(x/(1-2x-2x^2)).at n=6A112241
• Highly touchable numbers sandwiched between untouchable twin pairs.at n=5A370355
• G.f.: Sum_{k>=0} x^k * Product_{j=1..6*k} (1 + x^j)/(1 - x^j).at n=28A385092