A083764 n-th row of the following triangle contains n palindromic multiples of n beginning with n. Sequence contains the triangle by rows.

1, 2, 22, 3, 33, 303, 4, 44, 404, 424, 5, 55, 505, 515, 525, 6, 66, 606, 636, 666, 696, 7, 77, 707, 777, 7007, 7777, 70007, 8, 88, 808, 848, 888, 8008, 8448, 8888, 9, 99, 909, 999, 9009, 9999, 90009, 90909, 91719

Offset

1,2

Comments

There are no palindromic multiples of 10. - David Wasserman, Nov 23 2004

Links

Table of n, a(n) for n=1..45.

Example

1
2 22
3 33 303
4 44 404 424
5 55 505 515 525
6 66 606 636 666 696
7 77 707 777 7007 7777 70007
...

Crossrefs

Cf. A083765, A083766, A083767, A083768.

Sequence in context: A336768 A180700 A077526 * A336324 A335886 A141236

Adjacent sequences: A083761 A083762 A083763 * A083765 A083766 A083767

Keyword

base,easy,fini,full,nonn,tabl

Author

Amarnath Murthy and Meenakshi Srikanth (menakan_s(AT)yahoo.com), May 06 2003

Extensions

More terms from David Wasserman, Nov 23 2004

Status

approved