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A118030 a(1)=1. a(n) = a(n-1) + (largest integer which is <= n and occurs among the earlier terms of the sequence). 4
1, 2, 4, 8, 12, 16, 20, 28, 36, 44, 52, 64, 76, 88, 100, 116, 132, 148, 164, 184, 204, 224, 244, 264, 284, 304, 324, 352, 380, 408, 436, 464, 492, 520, 548, 584, 620, 656, 692, 728, 764, 800, 836, 880, 924, 968, 1012, 1056, 1100, 1144, 1188, 1240, 1292, 1344, 1396, 1448, 1500, 1552, 1604, 1656, 1708, 1760 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..62.

CROSSREFS

Cf. A118026, A118027, A118028, A118029, A094589.

Sequence in context: A001212 A160742 A160736 * A187208 A256409 A256403

Adjacent sequences:  A118027 A118028 A118029 * A118031 A118032 A118033

KEYWORD

easy,nonn

AUTHOR

Leroy Quet, Apr 10 2006

EXTENSIONS

More terms from Melissa Donovan (msd181(AT)psu.edu), Apr 23 2006

STATUS

approved

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Last modified December 7 19:05 EST 2016. Contains 278895 sequences.