A045141 Numbers whose base-4 representation contains exactly one 2 and three 3's.

191, 239, 251, 254, 447, 495, 507, 510, 575, 639, 719, 735, 755, 759, 764, 765, 815, 827, 830, 879, 891, 894, 911, 927, 947, 951, 956, 957, 971, 974, 987, 990, 995, 999, 1004, 1005, 1010, 1014, 1016, 1017, 1215, 1263, 1275

Offset

1,1

Links

Table of n, a(n) for n=1..43.

Mathematica

Select[Range[1300], DigitCount[#, 4, 2]==1&&DigitCount[#, 4, 3]==3&] (* Harvey P. Dale, May 07 2019 *)

Crossrefs

Cf. A007090.

Sequence in context: A141868 A059244 A136068 * A046010 A146361 A229075

Adjacent sequences: A045138 A045139 A045140 * A045142 A045143 A045144

Keyword

nonn,base

Author

Clark Kimberling

Status

approved