A160929 a(n)= n * reversal(n-1)

0, 2, 6, 12, 20, 30, 42, 56, 72, 90, 11, 132, 273, 434, 615, 816, 1037, 1278, 1539, 1820, 42, 264, 506, 768, 1050, 1352, 1674, 2016, 2378, 2760, 93, 416, 759, 1122, 1505, 1908, 2331, 2774, 3237, 3720, 164, 588, 1032, 1496, 1980, 2484, 3008, 3552, 4116, 4700

Offset

1,2

Comments

a(8)=8xR(7)=8x7=56; a(15)=15xR(14)=15x41=615; a(26)=26xR(25)=26x52=1352

Links

Table of n, a(n) for n=1..50.

Crossrefs

Sequence in context: A098734 A258881 A160942 * A103505 A279019 A002378

Adjacent sequences: A160926 A160927 A160928 * A160930 A160931 A160932

Keyword

nonn,base

Author

Claudio Meller, May 30 2009

Status

approved