1320984756.
What is that sequence of digits?
"Nixie Tubes and Clock: long before there were 7 segment LED displays there was the Nixie- cold cathode tubes with a wire mesh and 10 cathodes shaped in the form of numerals 0-9 that illuminate through neon glow discharge. [...] The “Numeric Indicator eXperimental 1” or NIX 1 was introduced in 1955 by Burroughs Corporation and manufactured until the 1990s. [...] the Russian version called the ИH-14A where the numbers are stacked so the front symbols obscure each lighted cathode minimally: from back to front 1320984756."
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