This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A299293 #12 Feb 19 2025 12:11:11 %S A299293 1,2,4,7,17,31,80,152,404,790,2140,4271,11729,23767,65952,135221, %T A299293 378321,782968,2205168,4598804,13023324,27332956,77761008 %N A299293 Number of (n + 1, n + 2)-core partitions into odd parts. %H A299293 Paul Barry, <a href="https://doi.org/10.3390/math13020242">Extensions of Riordan Arrays and Their Applications</a>, Mathematics (2025) Vol. 13, No. 2, 242. See p. 23. %H A299293 Anthony Zaleski and Doron Zeilberger, <a href="https://arxiv.org/abs/1712.10072">On the Intriguing Problem of Counting (n + 1, n + 2)-Core Partitions into Odd Parts</a>, arXiv:1712.10072 [math.CO], 2017. %Y A299293 Cf. A047749. %K A299293 nonn,more %O A299293 0,2 %A A299293 _N. J. A. Sloane_, Feb 14 2018