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A163344
Central diagonal of A163334 and A163336 divided by 4.
1
0, 1, 2, 11, 10, 9, 18, 19, 20, 101, 100, 99, 90, 91, 92, 83, 82, 81, 162, 163, 164, 173, 172, 171, 180, 181, 182, 911, 910, 909, 900, 901, 902, 893, 892, 891, 810, 811, 812, 821, 820, 819, 828, 829, 830, 749, 748, 747, 738, 739, 740, 731, 730, 729, 1458
OFFSET
0,3
CROSSREFS
a(n) = A163343(n)/4.
Sequence in context: A025536 A378000 A162155 * A064743 A376606 A109868
KEYWORD
nonn
AUTHOR
Antti Karttunen, Jul 29 2009
STATUS
approved