OFFSET
1,1
COMMENTS
In some cases n resembles the prime number in the subsequent prime row. Some slight intervals can be observed: for example 599(593+6) to 641(641+0) to 691(683+8) to 743(743+0) to 809(811+2), each 8 rows apart and 3 instances 10 rows apart.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 1..1000
FORMULA
a(n) ~ n log n.
EXAMPLE
The first column gives the primes, the second column the digits of Pi and the third column their sum.
2 1 3
3 4 7
5 1 6
7 5 12
...
MATHEMATICA
Total/@With[{nn=60}, Thread[{Prime[Range[nn]], Rest[RealDigits[Pi, 10, nn+1][[1]]]}]] (* Harvey P. Dale, Apr 25 2020 *)
CROSSREFS
KEYWORD
nonn,base,less
AUTHOR
E.J.P. Vening, Aug 03 2005
STATUS
approved