19573419

Appears in sequences

• a(n) = 2*a(n-1) - (-1)^n for n > 0, a(0)=2.at n=23A062092
• A007318^(-1) * A133648.at n=23A133649
• Lexicographically earliest sequence such that the sequence and its first and second differences share no terms, and the 3rd differences are equal to the original sequence.at n=23A202349
• a(n) = (14*4^n + 1)/3.at n=11A206373