A241025 S_13 sequence in partition of integers > 1 described in A240521.

30, 84, 180, 385, 819, 1584, 2431, 3952, 6256, 8075, 12673, 17825, 26825, 36859, 49321, 71299, 86387, 107113, 135877, 158417, 209509, 255529, 298351, 375803, 419823, 478661, 569511, 652131, 746087, 889199, 1048279, 1133927, 1245373, 1411223, 1564259, 1791163

Offset: 1

Author

Vladimir Shevelev, Apr 15 2014

Keywords

• nonn

Comments

See case r=3, t_1=3, t_2=1, t_3=0 in comment in A240521. [Subscripts made consistent by Peter Munn, Oct 11 2021]

Crossrefs

Positions of 13's in A240535.

Sequences for other parts of the partition: A050376 (S_1), A240521 (S_3), A240522 (S_5), A240524 (S_7), A240536 (S_9), A241024 (S_11).

Formula

a(n) = A050376(n) * A050376(n+1) * A050376(n+3).

Extensions

Name revised by Peter Munn, Oct 11 2021