61777

Appears in sequences

• Strong pseudoprimes to base 61.at n=16A020287
• Multiplicity of highest weight (or singular) vectors associated with character chi_188 of Monster module.at n=40A034576
• a(n) = prime(n) * prime(2*n-1).at n=37A219603
• a(n) = (2*n^6 - 6*n^5 + 5*n^4 - n^2 + 12)/12.at n=9A263689
• Numbers in a hexagonal tiling (seen as concentric rings) which have exactly three neighbors whose difference from it is prime.at n=37A372223