A201156 Row sums of triangle A201146.
1, 3, 10, 11, 56, 57, 400, 401, 402, 403, 4434, 4435, 57656, 57657, 57658, 57659, 980204, 980205, 18623896, 18623897, 18623898, 18623899, 428349678, 428349679, 428349680, 428349681, 428349682, 428349683, 12422140808, 12422140809, 385086365080, 385086365081
Offset: 1
Keywords
Links
- Arkadiusz Wesolowski, Table of n, a(n) for n = 1..502
Crossrefs
Cf. A201146.
Programs
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Mathematica
Table[Sum[Product[Prime[i], {i, PrimePi[n]}]/Product[Prime[i], {i, PrimePi[k]}], {k, n}], {n, 32}]
Comments