A061474 First (leftmost) digit - second digit + third digit - fourth digit .... = 5.

5, 50, 61, 72, 83, 94, 104, 115, 126, 137, 148, 159, 203, 214, 225, 236, 247, 258, 269, 302, 313, 324, 335, 346, 357, 368, 379, 401, 412, 423, 434, 445, 456, 467, 478, 489, 500, 511, 522, 533, 544, 555, 566, 577, 588, 599, 610, 621, 632, 643, 654, 665, 676

Offset: 1

Author

Amarnath Murthy, May 05 2001

Keywords

• nonn
• base
• easy

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[1000],Total[Times@@@Partition[Riffle[IntegerDigits[#],{1,-1},{2,-1,2}],2]]==5&] (* Harvey P. Dale, Jul 12 2015 *)

Extensions

More terms from Robert G. Wilson v, May 10 2001 and from Larry Reeves (larryr(AT)acm.org), May 14 2001