First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood.

A270281

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 139", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =4a(1) =0a(2) =28a(3) =-20a(4) =80a(5) =-60a(6) =128a(7) =-108a(8) =232a(9) =-212a(10) =344a(11) =-316a(12) =472a(13) =-412a(14) =552a(15) =-492a(16) =736a(17) =-708a(18) =968a(19) =-940a(20) =1224a(21) =-1164a(22) =1432a(23) =-1348a(24) =1672a(25) =-1612a(26) =1944a(27) =-1844a(28) =2152a(29) =-1980

External references