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A115838 Self-describing sequence. The n-th integer of the sequence indicates how many integers of the sequence are strictly < 4n. 0
1, 4, 5, 6, 8, 12, 16, 17, 20, 21, 22, 23, 24, 25, 26, 27, 28, 32, 33, 34, 36, 40, 44, 48, 52, 56, 60, 64, 68, 69, 70, 71, 72, 76, 80, 81, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
Terms computed by Gilles Sadowski. In building step by step the sequence one has sometimes the choice for an integer. If so take the smallest available one.
LINKS
EXAMPLE
A(7)=16 because there are 16 integers in the sequence which are strictly < 28 (they are 1,4,5,6,8,12,16,17,20,21,22,23,24,25,26,27).
CROSSREFS
Sequence in context: A047430 A360448 A204098 * A310572 A310573 A158650
KEYWORD
base,easy,nonn
AUTHOR
Eric Angelini, Feb 01 2006
STATUS
approved

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)