4893356

Appears in sequences

• a(n) = (7*2^n - 4(-1)^n)/3.at n=21A083595
• Binomial transform of A169609.at n=21A168673
• 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=21A202349