A284800 Fixed points of the transform A284799.

6, 9, 12, 78, 90, 102, 114, 141, 153, 165, 177, 204, 216, 228, 240, 1086, 1134, 1182, 1230, 1338, 1386, 1434, 1482, 1590, 1638, 1686, 1734, 1842, 1890, 1938, 1986, 2109, 2157, 2205, 2253, 2361, 2409, 2457, 2505, 2613, 2661, 2709, 2757, 2865, 2913, 2961, 3009, 3132

Offset

1,1

Comments

All terms are divisible by 3. - Robert Israel, Apr 01 2020

Links

Robert Israel, Table of n, a(n) for n = 1..5000

Example

78 is a term of the sequence because 78 in base 4 is 1032, its complement in base 4 is 2301 and the digit reverse is again 1032 that is 78 in base 10.

Maple

P:=proc(q, h) local a, b, k, n; for n from 1 to q do a:=convert(n, base, h); b:=0;
for k from 1 to nops(a) do a[k]:=h-1-a[k]; b:=h*b+a[k]; od; if b=n then print(n); fi; od; end: P(10^2, 4);

Crossrefs

Cf. A035928, A284799.

Sequence in context: A095213 A263773 A242874 * A242295 A064799 A236763

Adjacent sequences: A284797 A284798 A284799 * A284801 A284802 A284803

Keyword

nonn,base,easy

Author

Paolo P. Lava, Apr 03 2017

Status

approved