A368669 Decimal expansion of the probability that the straight tetromino appears when the 4th cell is added in diffusion-limited aggregation on the square lattice.

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

Offset: 0

Author

Pontus von Brömssen, Jan 04 2024

Keywords

• nonn
• cons

Comments

See A368660 for details.

Examples

			0.162796244424175854682512001024548670877500478908211364328916...
		

Links

• Index entries for sequences related to polyominoes.
• Index entries for transcendental numbers.

Crossrefs

9th row of A368660.

Cf. A368665, A368666, A368667, A368668.

Programs

Mathematica

First[RealDigits[2*(Pi - 4)^2*(3*Pi - 10)/((5*Pi - 16)*(7*Pi - 24)*(15*Pi - 56)), 10, 100]] (* Paolo Xausa, Nov 12 2024 *)

Formula

Equals (320 - 256*Pi + 68*Pi^2 - 6*Pi^3)/(21504 - 18752*Pi + 5440*Pi^2 - 525*Pi^3).

A368665 + A368666 + A368667 + A368668 + A368669 = 1.