A105859 Numbers m such that A104647(m) = A104647(m-1) + A104647(m-2).

2, 3, 4, 5, 6, 9, 12, 17, 21, 25, 30, 37, 38, 39, 42, 46, 47, 51, 55, 56, 61, 66, 73, 74, 79, 86, 89, 93, 94, 102, 110, 111, 117, 118, 120, 124, 130, 136, 141, 144, 148, 154, 155, 158, 162, 170, 171, 172, 173, 177, 185, 186, 187, 188, 189, 190, 195, 201, 206, 212

Offset

1,1

Links

Robert Israel, Table of n, a(n) for n = 1..10000

Example

n=12: A104647(12)=17 = A104647(11)+A104647(10)=9+8=7, therefore 12 is a term;
n=42: A104647(42)=60 = A104647(41)+A104647(40)=31+29=60, therefore 42 is a term.

Maple

N:= 10^3: # for all terms <= N
A104647:= Array(0..N):
A104647[1]:= 1:
for n from 2 to N do A104647[n]:= (A104647[n-1] mod n) + (A104647[n-2] mod n) od:
select(t -> (A104647[t] = A104647[t-1]+A104647[t-2]), [$2..N]); # Robert Israel, Aug 14 2018

Crossrefs

Cf. A105860.

Sequence in context: A057492 A178715 A018123 * A200445 A255362 A017833

Adjacent sequences: A105856 A105857 A105858 * A105860 A105861 A105862

Keyword

nonn

Author

Reinhard Zumkeller, Apr 23 2005

Status

approved