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A080703 a(1)=5; for n>1, a(n) = smallest number > a(n-1) such that the condition "if n is in the sequence then a(n) is a multiple of 4" is satisfied. 0
5, 6, 7, 8, 12, 16, 20, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 44, 48, 52, 56, 60, 64, 68, 72, 76, 80, 84, 88, 92, 96, 100, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..63.

FORMULA

{a(a(n))} = {4i : i >= 3}.

CROSSREFS

Sequence in context: A047322 A236242 A309102 * A284682 A171405 A047575

Adjacent sequences:  A080700 A080701 A080702 * A080704 A080705 A080706

KEYWORD

nonn,easy

AUTHOR

Benoit Cloitre, Mar 01 2003

EXTENSIONS

More terms from Matthew Vandermast, Mar 05 2003

STATUS

approved

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Last modified June 24 13:44 EDT 2021. Contains 345417 sequences. (Running on oeis4.)