

A010065


a(n+1) = a(n) + sum of digits in base 4 representation of a(n), with a(0) = 1.


11



1, 2, 4, 5, 7, 11, 16, 17, 19, 23, 28, 32, 34, 38, 43, 50, 55, 62, 70, 74, 79, 86, 91, 98, 103, 110, 118, 125, 133, 137, 142, 149, 154, 161, 166, 173, 181, 188, 196, 200, 205, 212, 217, 224, 229, 236, 244, 251, 262, 266, 271, 278, 283, 290, 295
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OFFSET

0,2


REFERENCES

S. R. Finch, Mathematical Constants, Cambridge, 2003, Section 2.24.


LINKS

Donovan Johnson, Table of n, a(n) for n = 0..10000
Index entries for Colombian or self numbers and related sequences


FORMULA

a(n+1) = A230631(a(n)).  Reinhard Zumkeller, Mar 20 2015


PROG

(Haskell)
a010065 n = a010065_list !! n
a010065_list = iterate a230631 1  Reinhard Zumkeller, Mar 20 2015


CROSSREFS

Cf. A003052, A010061, A010062, A010064, A004207.
Related base4 sequences: A053737, A230631, A230632, A010064, A230633, A230634, A230635, A230636, A230637, A230638, A010065 (trajectory of 1)
Sequence in context: A035620 A022439 A050134 * A164316 A323146 A250006
Adjacent sequences: A010062 A010063 A010064 * A010066 A010067 A010068


KEYWORD

nonn,base


AUTHOR

Leonid Broukhis


EXTENSIONS

More terms from Neven Juric, Apr 11 2008


STATUS

approved



