A270072 Decimal representation of the n-th iteration of the Conway’s game of life starting with four adjacent rows of lines turned on to positive and negative infinity.

15, 33, 231, 561, 3735, 8673, 58407, 146673, 951831, 2200161, 15007527, 37618161, 243401751, 562961505, 3835839783, 9654230001, 62277025815, 1438881404513, 981400027431, 2471753680881, 15945066090519, 38848671944801, 251274914238759, 633024492828657, 4081389310836759, 589338770407521, 6431706870343299, 161989104772314217, 1044976403211096087

Offset: 0

Author

Brook Estifanos, Mar 09 2016

Keywords

• nonn

Comments

It is conjectured that every term has a prime factor that does not divide any previous term.

Examples

			0th iteration = 1111 = 15, 1st iteration = 100001 = 33, 2nd iteration = 11100111 = 231, 3rd iteration = 1000110001 = 561, 4th iteration = 111010010111 = 3735, 5th iteration = 10000111100001 = 8673, ... .