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A182478 Numbers that can be truncated in base 10 such that the sum of the factorials of the truncations equals that number. 0
1, 2, 145, 40585, 6402374184741226, 121645100891988866, 121666023198802103, 121666023198802144, 2432902008177819519, 2432902008217006118, 2432902008656812499, 4872206390059820318 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
EXAMPLE
a(5)=6402374184741226=6!+4!+(02)!+3!+7!+4!+18!+4!+7!+4!+12!+2!+6!
a(6): 2-digit-truncations are 12,10,19
a(7): 2-digit-truncs are 16,19
a(8): 2-digit-truncs are 16,19
a(9): 2-digit-trunc is 20
a(10): 2-digit-truncs are 20,11
a(11): 2-digit-truncs are 20,12
a(12): 2-digit-truncs are 20,20,18
CROSSREFS
A014080 is a subsequence.
Sequence in context: A071064 A265442 A014080 * A214910 A328228 A316889
KEYWORD
nonn,base,hard
AUTHOR
Bodo Zinser, May 01 2012
STATUS
approved

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Last modified June 24 02:53 EDT 2024. Contains 373661 sequences. (Running on oeis4.)