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 A010064 Base 4 self or Colombian numbers (not of form k + sum of base 4 digits of k). 23
 1, 3, 8, 13, 18, 20, 25, 30, 35, 37, 42, 47, 52, 54, 59, 64, 73, 78, 83, 85, 90, 95, 100, 102, 107, 112, 117, 119, 124, 129, 138, 143, 148, 150, 155, 160, 165, 167, 172, 177, 182, 184, 189, 194, 203, 208, 213, 215, 220, 225, 230, 232, 237, 242, 247, 249, 254 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 REFERENCES Steven R. Finch, Mathematical Constants, Cambridge, 2003, Section 2.24, pp. 179-180. József Sándor and Borislav Crstici, Handbook of Number theory II, Kluwer Academic Publishers, 2004, Chapter 4, pp. 384-386. LINKS Donovan Johnson, Table of n, a(n) for n = 1..10000 MATHEMATICA s[n_] := n + Plus @@ IntegerDigits[n, 4]; m = 250; Complement[Range[m], Array[s, m]] (* Amiram Eldar, Nov 28 2020 *) CROSSREFS Cf. A003052, A010061, A010067, A010070, A230631-A230635. Related base-4 sequences:  A053737, A230631, A230632, A010064, A230633, A230634,A230635, A230636, A230637, A230638, A010065 (trajectory of 1) Sequence in context: A081766 A152676 A197062 * A310304 A133330 A190505 Adjacent sequences:  A010061 A010062 A010063 * A010065 A010066 A010067 KEYWORD nonn,base AUTHOR STATUS approved

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Last modified August 15 16:57 EDT 2022. Contains 356148 sequences. (Running on oeis4.)