%I #30 Mar 27 2023 05:34:12
%S 3,31,316,3162,31622,316227,3162277,31622776,316227766,3162277660,
%T 31622776601,316227766016,3162277660168,31622776601683,
%U 316227766016837,3162277660168379,31622776601683793,316227766016837933,3162277660168379331,31622776601683793319
%N Decimal expansion of sqrt(10) truncated to n places (after the decimal point).
%F a(n) = floor(sqrt(10) * 10^n).
%F a(n) = A017934(2*n + 1).
%F a(n-1) mod 10 = A010467(n). - _Chai Wah Wu_, Mar 26 2023
%o (Python)
%o from math import isqrt
%o def A361612(n): return isqrt(10**((n<<1)|1)) # _Chai Wah Wu_, Mar 26 2023
%Y Cf. A010467, A011547, A017934.
%K nonn
%O 0,1
%A _Amit Katz_, Mar 17 2023
|