Table 1.

Illustration of the vast number of possible toolboxes for different environment sizes e, considering only 10 actions

Environment size e	Number of possible toolboxes	Scale example: Similar to the number of...
1	1080
2	22,300
3	334,520
4	4,458,500
5	56,109,040
		...the number of neurons in a human brain $86\times {10}^9$
		...the number of neuronal connections in a human brain $86\times {10}^{14}$
10	$4.3\times {10}^{45}$
20	$5.0\times {10}^{57}$
30	$4.8\times {10}^{71}$
40	$6.0\times {10}^{86}$	...elementary particles in the universe ${10}^{80}$
50	$2.2\times {10}^{103}$	...grains of sand in a universe entirely filled with sand ${10}^{95}$
60	$1.9\times {10}^{120}$	...neutrons in a universe entirely filled with neutrons ${10}^{128}$
70	$6.5\times {10}^{138}$
80	$2.3\times {10}^{157}$
90	$7.8\times {10}^{176}$
100	$2.9\times {10}^{198}$