A117954 Reversible Lynch-Bell numbers.

1, 2, 3, 4, 5, 6, 7, 8, 9, 216, 612, 2136, 2196, 2316, 2364, 2916, 4236, 4632, 4896, 6132, 6192, 6312, 6324, 6912, 6984, 21384, 42816, 48312, 61248, 61824, 84216, 213648, 213864, 213984, 219384, 234168, 234816, 236184, 238416, 291384, 293184, 428136, 468312, 481392, 481632, 483192, 483216, 483912, 489312, 612384, 614328, 614832, 618432, 631248, 631824, 823416, 842136, 846312, 861432, 6379128, 8219736

Offset: 1

Author

Rick L. Shepherd, Apr 05 2006

Keywords

• base
• fini
• full
• nonn

Comments

There are 61 terms; all the multi-digit terms are even.

Examples

			a(60)=6379128 and a(61)=8219736 because both 6379128 and its reversal, 8219736, are Lynch-Bell numbers (A115569) -- and there are no intervening (or indeed any other) 7-digit such terms.
		

Crossrefs

Cf. A115569.