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A031468
Numbers whose base-4 representation has 3 fewer 0's than 3's.
1
63, 127, 191, 223, 239, 247, 251, 253, 254, 383, 447, 479, 495, 503, 507, 509, 510, 639, 703, 735, 751, 759, 763, 765, 766, 831, 863, 879, 887, 891, 893, 894, 927, 943, 951, 955, 957, 958, 975, 983, 987, 989, 990, 999, 1003, 1005
OFFSET
1,1
CROSSREFS
Different from A045064.
Cf. A007090.
Sequence in context: A324488 A080947 A023720 * A045064 A043450 A031491
KEYWORD
nonn,base
STATUS
approved