A136498 Solution of the complementary equation b(n)=a(a(n))+a(n); this is the sequence b. Sequence a is A136497.

2, 7, 9, 11, 14, 20, 25, 29, 31, 36, 38, 40, 42, 45, 49, 52, 55, 57, 61, 64, 67, 73, 78, 80, 82, 85, 90, 95, 100, 105, 107, 112, 115, 117, 121, 123, 128, 130, 135, 141, 143, 146, 150, 152, 157, 159, 164, 166, 168, 170, 173, 177, 179, 182, 185, 189, 194, 199, 202

Offset

1,1

References

Clark Kimberling, "Complementary Equations," Journal of Integer Sequences 10 (2007) Article 07.1.4, 1-14.

Links

Table of n, a(n) for n=1..59.

Example

b(1) = a(a(1))+a(1) = 1+1 = 2;
b(2) = a(a(2))+a(2) = 4+3 = 7;
b(3) = a(a(3))+a(3) = 5+4 = 9.

Crossrefs

Cf. A136497.

Sequence in context: A287359 A022424 A360944 * A297826 A288598 A277737

Adjacent sequences: A136495 A136496 A136497 * A136499 A136500 A136501

Keyword

nonn

Author

Clark Kimberling, Jan 01 2008

Status

approved