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 A228433 Smallest starting abundant number for n consecutive abundant numbers in arithmetic progression. 8
 24, 114, 114, 228, 1242, 221355126 (list; graph; refs; listen; history; text; internal format)
 OFFSET 3,1 COMMENTS The next term is a(9) > 10^9. The common difference for first 7 terms is 6 and for 8th term is 2. LINKS EXAMPLE First and smallest occurrence of n, n >= 3, consecutive abundant numbers in arithmetic progression: a(3) = 24: (24, 30, 36); a(4) = 114: (114, 120, 126, 132); a(5) = 114: (114, 120, 126, 132, 138); a(6) = 228: (228, 234, 240, 246, 252, 258); a(7) = 1242: (1242, 1248, 1254, 1260, 1266, 1272, 1278); a(8) = 221355126: (221355126, 221355128, 221355130, 221355132, 221355134, 221355136, 221355138, 221355140); CROSSREFS Cf. A005101. Sequence in context: A281133 A064595 A064591 * A124952 A126411 A211580 Adjacent sequences:  A228430 A228431 A228432 * A228434 A228435 A228436 KEYWORD nonn,hard,more AUTHOR Shyam Sunder Gupta, Nov 10 2013 STATUS approved

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Last modified June 30 08:54 EDT 2022. Contains 354919 sequences. (Running on oeis4.)