A073159 - OEIS

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A073159

Sums of adjacent terms of A073158. Together, A073158, A073159 and A073160 include all the positive integers uniquely.

3, 6, 11, 12, 13, 18, 24, 29, 34, 35, 36, 41, 43, 48, 54, 55, 57, 62, 65, 70, 75, 78, 79, 83, 89, 92, 93, 95, 99, 101, 103, 108, 114, 117, 120, 121, 124, 130, 133, 139, 140, 141, 147, 150, 156, 161, 163, 167, 171, 173, 175, 178, 184, 190, 193, 195, 198, 205

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

a(n) is asymptotic to 7n/2.

LINKS

Sean A. Irvine, Table of n, a(n) for n = 1..1000

FORMULA

a(n) = A073158(n) + A073158(n-1), where A073158(0)=0.

CROSSREFS

Cf. A073158, A073160.

Sequence in context: A223910 A022155 A066157 * A000419 A353716 A178890

Adjacent sequences: A073156 A073157 A073158 * A073160 A073161 A073162

KEYWORD

easy,nonn

AUTHOR

Paul D. Hanna, Jul 29 2002

EXTENSIONS

a(34) onward corrected by Sean A. Irvine, Nov 19 2024

STATUS

approved

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