A083436 Smallest palindrome which is 1 more than the product of n consecutive numbers.

2, 3, 7, 121, 121

Offset

1,1

Comments

Sequence is different from A062935 and there is more possibility of additional terms.

Next term, if it exists, is greater than 10^47. - David Wasserman, Nov 04 2004

From Michael S. Branicky, Dec 22 2025: (Start)

Next term, if it exists, is greater than 10^64.

For n >= 5, any term must begin and end with 1, since the product must be divisible by 10. (End)

Links

Table of n, a(n) for n=1..5.

Example

a(4) = a(5) = 121 because 120 = 2*3*4*5 = 1*2*3*4*5.

Crossrefs

Cf. A062935.

Sequence in context: A111870 A182514 A062935 * A088856 A173913 A007013

Adjacent sequences: A083433 A083434 A083435 * A083437 A083438 A083439

Keyword

nonn,base,more

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), Apr 29 2003

Extensions

More terms from David Wasserman, Nov 04 2004

Status

approved