A365254 Decimal expansion of the central column (converted to base 10) of rule-30 1-D cellular automaton, when started from a single ON cell.

8, 6, 2, 3, 8, 9, 7, 8, 3, 9, 4, 7, 3, 8, 4, 0, 4, 8, 6, 4, 0, 8, 0, 0, 2, 4, 6, 0, 8, 6, 7, 5, 1, 1, 2, 8, 1, 0, 8, 5, 3, 2, 9, 6, 3, 6, 2, 4, 5, 5, 0, 6, 1, 5, 2, 6, 1, 9, 5, 8, 4, 5, 2, 9, 1, 7, 9, 3, 2, 0, 2, 7, 5, 8, 9, 2, 3, 4, 7, 8, 6, 0, 0, 9, 7, 2, 5

Offset: 0

Author

Paolo Xausa, Aug 29 2023

Keywords

• nonn
• cons
• base

Comments

This constant is mentioned in Wolfram (2019 and 2022).

It is created by treating the central column values (A051023) as binary digits to the right of the radix point and converting the result to base 10.

Examples

			0.862389783947384048640800246086751128108532963624550...
		

References

• Stephen Wolfram, Twenty Years of A New Kind of Science, Wolfram Media, 2022, p. 290.

Links

• Paolo Xausa, Table of n, a(n) for n = 0..10000
• Stephen Wolfram, Announcing the Rule 30 Prizes, Stephen Wolfram Writings, 2019.
• Index entries for sequences related to cellular automata

Crossrefs

Cf. A051023, A070950.

Programs

Mathematica

Take[First[RealDigits[FromDigits[{CellularAutomaton[30,{{1},0},{700,{{0}}}],0},2]]],200]