First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 521", based on the 5-celled von Neumann neighborhood.

A272737

First differences of number of active (ON, black) cells in n-th stage of growth of two-dimensional cellular automaton defined by "Rule 521", based on the 5-celled von Neumann neighborhood.

Terms

    a(0) =3a(1) =9a(2) =11a(3) =29a(4) =16a(5) =36a(6) =11a(7) =97a(8) =7a(9) =69a(10) =7a(11) =137a(12) =15a(13) =81a(14) =39a(15) =237a(16) =-25a(17) =133a(18) =-17a(19) =281a(20) =-17a(21) =145a(22) =35a(23) =377a(24) =-97a(25) =277a(26) =-41a(27) =309a(28) =103a(29) =73

External references