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Primorials which yield palindromes if the trailing zeros are deleted.
1

%I #11 Sep 22 2024 17:58:55

%S 1,2,6,30,30030,9699690

%N Primorials which yield palindromes if the trailing zeros are deleted.

%C Conjecture: sequence is finite.

%C Next term, if it exists, has more than 80 digits. - _Ray Chandler_, Sep 28 2003

%C Next term, if it exists > 10^100000. - _Andrew Howroyd_, Sep 22 2024

%F a(n) = A002110(A088414(n)). - _Andrew Howroyd_, Sep 22 2024

%e In 30030 = primorial(5) 3003 is a palindrome.

%Y Cf. A088414, A002110.

%K nonn,base

%O 1,2

%A _Amarnath Murthy_, Sep 27 2003

%E Offset changed by _Andrew Howroyd_, Sep 22 2024