A082782 a(1) = 7, a(n) = smallest palindromic multiple of a(n-1) obtained by inserting digits anywhere in a(n-1).

7, 77, 1771, 178871, 1788888871, 178888888888888871, 17111188118888288288881188111171

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Crossrefs

Cf. A082776, A082777, A082778, A082779, A082780, A082781, A082783.

Sequence in context: A077706 A080492 A342347 * A356437 A107047 A210413

Adjacent sequences: A082779 A082780 A082781 * A082783 A082784 A082785

Keyword

base,more,nonn

Author

Amarnath Murthy, Apr 19 2003

Extensions

Corrected by Ray Chandler, Oct 13 2003

a(6) from Sean A. Irvine, Apr 19 2010

a(7) from Max Alekseyev, Nov 24 2024

Status

approved