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A371704
Heights at which a Minecraft boat-drop will break up.
0
12, 13, 49, 51, 111, 114, 198, 202, 310, 315
OFFSET
1,1
FORMULA
a(n) = (50*n^2 + 50*n + 23 - 23*(-1)^n*(1+2*n)) / 16. - Robert P. P. McKone, Apr 03 2024
MATHEMATICA
Table[{k*(25 k - 1)/2, k*(25 k + 1)/2}, {k, 1, 5}] // Flatten (* Robert P. P. McKone, Apr 03 2024 *)
CROSSREFS
Sequence in context: A041296 A091908 A329597 * A041300 A041302 A041304
KEYWORD
nonn,fini,full
AUTHOR
Douglas Boffey, Apr 03 2024
EXTENSIONS
a(7)-a(10) corrected by Robert P. P. McKone, Apr 03 2024
STATUS
approved