A098668 Right edge of triangle A098666.

1, 2, 3, 2, 5, 1, 7, 8, 9, 1, 11, 1, 13, 2, 5, 8, 17, 9, 19, 1, 7, 2, 23, 4, 25, 1, 27, 2, 29, 1, 31, 32, 11, 1, 7, 3, 37, 1, 13, 20, 41, 3, 43, 2, 3, 1, 47, 16, 49, 25, 51, 1, 53, 9, 11, 8, 19, 1, 59, 1, 61, 2, 9, 32, 65, 1, 67, 1, 23, 7, 71, 36, 73, 1, 25, 2, 11, 1, 79, 16, 81, 1, 83, 7, 17

Offset

1,2

Comments

a(n) = A098666(n,n);

a(n) = n iff n=1 or n is prime.

Links

Table of n, a(n) for n=1..85.

Crossrefs

Sequence in context: A053139 A127705 A124386 * A112763 A093476 A262597

Adjacent sequences: A098665 A098666 A098667 * A098669 A098670 A098671

Keyword

nonn

Author

Reinhard Zumkeller, Sep 20 2004

Status

approved