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A082278 a(1)=1; for n >= 1, a(n+1) is minimal such that there are a(n) primes strictly between a(n) and a(n+1). 3
1, 3, 12, 60, 390, 3320, 35570, 471620, 7543118, 142663878, 3136936508, 79061105312, 2256802761948, 72223691097344 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

3 is the only prime in the sequence.

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

There are 3 primes (5,7,11) between 3 and the next term 12.

MATHEMATICA

a[1]=1; a[2]=3; a[n_] := a[n]=1+Prime[1+Sum[a[i], {i, 1, n-1}]]

CROSSREFS

Cf. A082279.

Sequence in context: A177138 A053532 A159867 * A078162 A348002 A211774

Adjacent sequences:  A082275 A082276 A082277 * A082279 A082280 A082281

KEYWORD

more,nonn

AUTHOR

Amarnath Murthy, Apr 13 2003

EXTENSIONS

Better description from Vladeta Jovovic, Apr 15 2003

a(14) from Chai Wah Wu, Nov 29 2019

STATUS

approved

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Last modified June 25 10:04 EDT 2022. Contains 354844 sequences. (Running on oeis4.)