cp's OEIS Frontend

A182478 Numbers that can be truncated in base 10 such that the sum of the factorials of the truncations equals that number.

%I A182478 #9 May 08 2012 12:26:31
%S A182478 1,2,145,40585,6402374184741226,121645100891988866,121666023198802103,
%T A182478 121666023198802144,2432902008177819519,2432902008217006118,
%U A182478 2432902008656812499,4872206390059820318
%N A182478 Numbers that can be truncated in base 10 such that the sum of the factorials of the truncations equals that number.
%e A182478 a(5)=6402374184741226=6!+4!+(02)!+3!+7!+4!+18!+4!+7!+4!+12!+2!+6!
%e A182478 a(6): 2-digit-truncations are 12,10,19
%e A182478 a(7): 2-digit-truncs are 16,19
%e A182478 a(8): 2-digit-truncs are 16,19
%e A182478 a(9): 2-digit-trunc is 20
%e A182478 a(10): 2-digit-truncs are 20,11
%e A182478 a(11): 2-digit-truncs are 20,12
%e A182478 a(12): 2-digit-truncs are 20,20,18
%Y A182478 A014080 is a subsequence.
%K A182478 nonn,base,hard
%O A182478 1,2
%A A182478 _Bodo Zinser_, May 01 2012