A077282 - OEIS

A077282

First prime in n-th group in A077280.

2, 29, 1031, 2203, 4057, 4157, 50383, 66653, 173651, 2076917

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

OFFSET

1,1

COMMENTS

Partition of sequence of primes in groups such that sum of terms in each group is a square: {2-23}, {29-1021}, {1031-2179}, {2203-4051}, {4057-4153}, {4157-50377}, {50383-66643}, {66653-173647},{173651-?},...; A077280(n) gives the number of terms in n-th group; A077281(n)^2 gives the sum of terms in n-th group; A077282(n) gives the first term in n-th group; A077283(n) gives the last term in n-th group.

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Cf. A077280, A077281, A077283.

Sequence in context: A087281 A024234 A367551 * A059725 A112784 A252042

Adjacent sequences: A077279 A077280 A077281 * A077283 A077284 A077285

KEYWORD

nonn

AUTHOR

Zak Seidov, Nov 02 2002

EXTENSIONS

Added a(10), Zak Seidov, Mar 26 2013

STATUS

approved