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A119261
Numbers with even decimal digits in decreasing order.
1
0, 2, 4, 6, 8, 20, 40, 42, 60, 62, 64, 80, 82, 84, 86, 420, 620, 640, 642, 820, 840, 842, 860, 862, 864, 6420, 8420, 8620, 8640, 8642, 86420
OFFSET
1,2
COMMENTS
This is the complete list of all 31 such numbers. Cf. A119260 Even decimal digits in increasing order, A119253 Odd digits in increasing order, A119252 Odd digits in decreasing order, A009993 Digits in increasing order, A009995 Digits in decreasing order.
MATHEMATICA
Sort@Flatten@Table[FromDigits/@Subsets[Range[8, 0, -2], {n}], {n, 5}]
CROSSREFS
KEYWORD
base,fini,full,nonn
AUTHOR
Zak Seidov, May 11 2006
STATUS
approved