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Search: id:A082941
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| A082941 |
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Palindromes starting with n such that the sum of the digits of the product of the factorial of n and reverse of n is equal to the center digit. |
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+0
1
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| 111, 242, 393, 494, 595, 696, 797, 898, 999, 10901, 11911
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Center digit is 9 from the third term onwards.
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REFERENCES
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Amarnath Murthy
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EXAMPLE
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a(9) = 9!*9!=362880*362880=131681894400. 1+3+1+6+8+1+8+9+4+4+0+0=45. 4+5=9.
a(6) = 6!*6!=518400. 5+1+8+4+0+0=18. 1+8=9.
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CROSSREFS
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Cf. A082940.
Sequence in context: A033284 A123673 A074842 this_sequence A029486 A097650 A084450
Adjacent sequences: A082938 A082939 A082940 this_sequence A082942 A082943 A082944
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KEYWORD
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nonn
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AUTHOR
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Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 30 2003
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