A368667 Decimal expansion of the probability that the T tetromino appears when the 4th cell is added in diffusion-limited aggregation on the square lattice.

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

Offset

0,1

Comments

See A368660 for details.

Links

Table of n, a(n) for n=0..99.

Index entries for sequences related to polyominoes.

Formula

Equals (286720 - 520576*Pi + 365408*Pi^2 - 125052*Pi^3 + 20982*Pi^4 - 1386*Pi^5)/(1204224 - 2114560*Pi + 1452608*Pi^2 - 490176*Pi^3 + 81507*Pi^4 - 5355*Pi^5).

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

Example

0.204300930947210621152745074614757706834953524705637911204238...

Crossrefs

7th row of A368660.

Cf. A368665, A368666, A368668, A368669.

Sequence in context: A133168 A145382 A192423 * A359214 A265584 A360205

Adjacent sequences: A368664 A368665 A368666 * A368668 A368669 A368670

Keyword

nonn,cons

Author

Pontus von Brömssen, Jan 04 2024

Status

approved