1,1

Table of n, a(n) for n=1..41.

49 = 13 + 17 + 19 But not 36 since 36 = 5 + 7 + 11 + 13 = 17 + 19.

Sequence in context: A216169 A090095 A178705 * A084733 A227863 A115557

Adjacent sequences: A163242 A163243 A163244 * A163246 A163247 A163248

nonn

Gaurav Kumar, Jul 23 2009

Offset corrected by Arkadiusz Wesolowski, Mar 28 2012

approved