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A176273 Partial sums of A036967. 0
1, 17, 49, 113, 194, 322, 565, 821, 1333, 1958, 2687, 3711, 5007, 7055, 9242, 11643, 14235, 17360, 21248, 25344, 30528, 37089, 44865, 53057, 63057, 73425, 85089, 99730, 115282, 130907, 147291, 164098, 183781, 203781, 224517, 247845, 276406 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Partial sums of 4-full numbers: if a prime p divides n then so does p^4. The subsequence of primes in this partial sum begins: 17, 113, 821, 2687.

LINKS

Table of n, a(n) for n=1..37.

FORMULA

a(n) = SUM[i=1..n] A036967(i).

EXAMPLE

a(11) = 1 + 16 + 32 + 64 + 81 + 128 + 243 + 256 + 512 + 625 + 729 = 2687 is prime.

CROSSREFS

Cf. A000583, A001694, A036966, A036967.

Sequence in context: A181426 A029487 A069129 * A124710 A113867 A049737

Adjacent sequences:  A176270 A176271 A176272 * A176274 A176275 A176276

KEYWORD

easy,nonn

AUTHOR

Jonathan Vos Post, Apr 14 2010

STATUS

approved

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Last modified October 23 17:32 EDT 2019. Contains 328373 sequences. (Running on oeis4.)