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A078663 Sum_{i=1,...,n} Ulam(i), where Ulam(i) denotes the i-th Ulam number. 0
1, 3, 6, 10, 16, 24, 35, 48, 64, 82, 108, 136, 172, 210, 257, 305, 358, 415, 477, 546, 618, 695, 777, 864, 961, 1060, 1162, 1268, 1382, 1508, 1639, 1777, 1922, 2070, 2225, 2400, 2577, 2757, 2939, 3128, 3325, 3531, 3740, 3959, 4180, 4416, 4654, 4895, 5138, 5391 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..50.

CROSSREFS

Cf. A002858.

Sequence in context: A264847 A173653 A122046 * A173691 A280709 A025222

Adjacent sequences:  A078660 A078661 A078662 * A078664 A078665 A078666

KEYWORD

easy,nonn

AUTHOR

Joseph L. Pe, Dec 15 2002

STATUS

approved

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Last modified August 12 21:10 EDT 2020. Contains 336440 sequences. (Running on oeis4.)