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A173921 Sums of rows of the triangle in A173920. 6
0, 1, 1, 4, 2, 5, 6, 12, 4, 7, 9, 14, 12, 19, 21, 32, 8, 11, 17, 22, 19, 27, 30, 40, 24, 35, 37, 52, 41, 57, 60, 80, 16, 19, 33, 38, 34, 41, 51, 60, 40, 51, 57, 70, 64, 81, 85, 104, 48, 67, 69, 92, 76, 99, 101, 128, 84, 111, 113, 144, 118, 151, 155, 192, 32, 35, 65, 70, 66, 73 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

a(n) = SUM(A173920(n,k): 0<=k<=n);

a(A000225(n)) = A001787(n);

a(A000079(n)) = A011782(n);

a(A000051(n)) = A062709(n) for n>0;

A000120(n)<=a(n)<=A000788(n); a(n)=A000788(n) iff n=2^k-1.

LINKS

R. Zumkeller, Table of n, a(n) for n = 0..320

CROSSREFS

Cf. A000225, A001787.

Sequence in context: A160211 A035584 A241132 * A003572 A260623 A199625

Adjacent sequences:  A173918 A173919 A173920 * A173922 A173923 A173924

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Mar 04 2010

STATUS

approved

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Last modified February 21 04:18 EST 2019. Contains 320371 sequences. (Running on oeis4.)