1956250

Appears in sequences

• Unique sequence that begins with nine zeros and a 1 and has the properties that each leading term of the difference triangle is single-digit, and the concatenation of the leading terms of the difference triangle is the same as the concatenation of the digits of the sequence.at n=20A125591
• Dirichlet g.f.: Product_{k>=2} 1 / (1 - k^(-s))^(5^(k-1)).at n=9A344249
• Dirichlet g.f.: Product_{k>=2} (1 + k^(-s))^(5^(k-1)).at n=9A344268