A061880 First (leftmost) digit - second digit + third digit - fourth digit .... = 11.

209, 308, 319, 407, 418, 429, 506, 517, 528, 539, 605, 616, 627, 638, 649, 704, 715, 726, 737, 748, 759, 803, 814, 825, 836, 847, 858, 869, 902, 913, 924, 935, 946, 957, 968, 979, 2090, 3080, 3091, 3190, 4070, 4081, 4092, 4180, 4191, 4290, 5060, 5071

Offset: 1

Author

Larry Reeves (larryr(AT)acm.org), May 15 2001

Keywords

• base
• nonn
• easy

Comments

Note that all entries are divisible by eleven.

Links

• Harvey P. Dale, Table of n, a(n) for n = 1..1000

Crossrefs

Cf. A008593, A060978-A060980, A060982, A061470-A061479, A061870-A061882.

Programs

Mathematica

Select[Range[11,6000,11],Total[Times@@@Partition[Riffle[ IntegerDigits[ #],{1,-1},{2,-1,2}],2]]==11&] (* Harvey P. Dale, Jun 21 2014 *)