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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.
6
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
0,2
COMMENTS
See A368660 for details.
FORMULA
Equals (320 - 256*Pi + 68*Pi^2 - 6*Pi^3)/(21504 - 18752*Pi + 5440*Pi^2 - 525*Pi^3).
EXAMPLE
0.162796244424175854682512001024548670877500478908211364328916...
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 *)
CROSSREFS
9th row of A368660.
Sequence in context: A244381 A307086 A021090 * A270138 A177889 A086744
KEYWORD
nonn,cons
AUTHOR
STATUS
approved