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A003158 Not representable by A001045.
(Formerly M1734)
8
2, 7, 10, 13, 18, 23, 28, 31, 34, 39, 42, 45, 50, 53, 56, 61, 66, 71, 74, 77, 82, 87, 92, 95, 98, 103, 108, 113, 116, 119, 124, 127, 130, 135, 138, 141, 146, 151, 156, 159 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Indices of b in the sequence closed under a -> abc, b -> a, c -> a, starting with a(1) = a; see A092606 where a = 0, b = 2, c = 1 . - DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Apr 12 2004

REFERENCES

A. Brousseau, Fibonacci and Related Number Theoretic Tables. Fibonacci Association, San Jose, CA, 1972, p. 67.

L. Carlitz, R. Scoville and V. E. Hoggatt, Jr., Representations for a special sequence, Fib. Quart., 10 (1972), 499-518, 550.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

FORMULA

a(n) = A003157(n) - 1 = A079523(n) + n . - DELEHAM Philippe (kolotoko(AT)wanadoo.fr), Feb 22 2004

CROSSREFS

Sequence in context: A029904 A026364 A203621 * A130336 A085303 A022886

Adjacent sequences:  A003155 A003156 A003157 * A003159 A003160 A003161

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 13 17:58 EST 2012. Contains 205528 sequences.