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a(n) is the number of correct decimal digits of e obtained from the fraction A368620(n)/A368621(n).
3

%I #6 Jan 12 2024 22:24:17

%S 0,4,5,7,10,11,13,14,18

%N a(n) is the number of correct decimal digits of e obtained from the fraction A368620(n)/A368621(n).

%H <a href="/index/Ea">Index entries for sequences related to the number e</a>

%e a(8) = 14 since A368620(8)/A368621(8) = 28245729/10391023 = 2.7182818284590... matches the first 14 digits of e: 2.71828182845904523...

%Y Cf. A001113, A368620, A368621, A368658.

%K nonn,base,more

%O 1,2

%A _Stefano Spezia_, Jan 02 2024