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A236312 a(n) = floor((n + e)^2), where e is the natural logarithm base.

%I A236312 #19 Jun 08 2020 07:21:14
%S A236312 7,13,22,32,45,59,76,94,114,137,161,188,216,247,279,313,350,388,429,
%T A236312 471,516,562,610,661,713,768,824,883,943,1006,1070,1136,1205,1275,
%U A236312 1348,1422,1499,1577,1657,1740,1824,1911,1999,2090,2182,2277,2373,2471,2572,2674,2779
%N A236312 a(n) = floor((n + e)^2), where e is the natural logarithm base.
%e A236312 a(0) = 7 because e^2 = 7.389056...
%e A236312 a(1) = 13 because (e + 1)^2 = 13.82561975584874...
%e A236312 a(2) = 22 because (e + 2)^2 = 22.2621834127668...
%t A236312 Table[Floor[(n + E)^2], {n, 0, 49}] (* _Alonso del Arte_, Jan 23 2014 *)
%o A236312 (Python)
%o A236312 import math
%o A236312 for n in range(99): print(str(int((n+math.e)**2)), end=",")
%o A236312 (PARI) list(maxx)={n=0;ptr=0;while(n<maxx,q=floor((n+exp(1))^2);
%o A236312 ptr++;print(ptr,"  ",q);n++);} \\ _Bill McEachen_, Feb 02 2014
%Y A236312 Cf. A001113, A235361.
%K A236312 nonn
%O A236312 0,1
%A A236312 _Alex Ratushnyak_, Jan 21 2014