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Sources edit
I can find no published sources for this term in Zentralblatt, Google Books or Google Scholar. The only source is currently a personal web site, which is not a reliable source in Wikipedia terms. Deltahedron (talk) 19:51, 26 August 2012 (UTC)
- I agree, except that it is (sequence A088912 in the OEIS), and specific small values of k have their own sequences. Bubba73 You talkin' to me? 01:27, 30 September 2012 (UTC)
- This term is rare, but it appears in Over getallen gesproken - Talking about numbers by Maarten Looijen. 84.55.98.173 (talk) 08:00, 27 January 2016 (UTC)