12:4612:46, 15 July 2024diffhist0
Thue–Morse sequence
Parity sequence because the sequence is the bit-parity of the integer sequence (the details of which are already explained later)
18:4618:46, 11 July 2024diffhist−3
Ordinal number
"define" and "having a fixed value" are somewhat redundant. Removing the latter, but also reminding the reader that it is a least element