1566432605

Appears in sequences

• a(1)=1. For n >= 2, each a(n) = the decimal equivalent of either a(k)U0Ua(k) or a(k)U1Ua(k), where U denotes concatenation of the binary representations of the arguments, and where k is some positive integer < n. The numbers are arranged in numerical order.at n=20A165784
• Walsh matrix antidiagonals converted to decimal.at n=30A197818